Dell UltraSharp U4919DW Monitor
User’s Guide
Model: U4919DW
Regulatory model: U4919DWb
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FCC Notices (U.S. Only) and Other Regulatory
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About Your Monitor
Package Contents
Your monitor ships with the components shown below. Ensure that you have
NOTE: Some items may be optional and may not ship with your monitor.
Some features or media may not be available in certain countries.
NOTE: To set up with any other stand, please refer to the respective
stand setup guide for setup instructions.
Monitor
Stand Riser
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Stand Base
VESA Cover
Screws x 4 for VESA
mount
Power Cable (Varies by
Country)
HDMI Cable
DP Cable (DP to DP)
USB 3.0 Upstream Cable
(Enables the USB Ports
on the Monitor)
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USB Type-C Cable
• Quick Setup Guide
• Factory Calibration
Report
• Safety, Environmental,
and Regulatory
Information
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Product Features
The Dell U4919DW flat panel display has an active matrix, Thin-Film Transistor
(TFT), Liquid Crystal Display (LCD) and LED backlight. The monitor features
include:
• 124.46 cm (49-inch) viewable area display (measured diagonally).
5120 x 1440 (32:9) resolution, plus full-screen support for lower resolutions.
• Wide viewing angle to allow viewing from a sitting or standing position.
• Color gamut of 99% sRGB with an average Delta E < 2.
• Supports HDMI, USB Type-C, DP sources.
• HDMI/DP connection supports 10-bit color at 60 Hz. USB Type-C connection
supports 8-bit color at 60 Hz.
• Single USB Type-C to supply power (Up to 90 W) to a compatible notebook
while receiving video & data signal.
• Tilt, swivel, and vertical extension adjustment capabilities.
• Ultra-thin bezel minimizes the bezel gap in multi-monitor usage, enabling
easier setup with an elegant viewing experience.
• Removable stand and Video Electronics Standards Association (VESA™)
100 mm mounting holes for flexible mounting solutions.
• Plug and play capability if supported by your system.
• On-Screen Display (OSD) adjustments for ease of set-up and screen
optimization.
• Power and Menu buttons lock.
• Security lock slot.
• < 0.5 W in Standby Mode.
• Supports Picture by Picture (PBP) Select mode.
• Allow user to switch USB KVM function in PBP mode.
• Supports Auto KVM for multiple input setup.
• Optimize eye comfort with a flicker-free screen.
NOTE: The possible long-term effects of blue light emission from the
monitor may cause damage to the eyes, including eye fatigue or digital
eye strain. ComfortView feature is designed to reduce the amount of
blue light emitted from the monitor to optimize eye comfort.
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Back View
Back view without and with monitor stand
Label
1, 2
Description
Use
VESA mounting holes of 100 mm Attach stand to the monitor using
x 100 mm (1) and 200 mm x 100
mm (2) are supported.
200 mm x 100 mm with M4 x 10
mm screws.
For third party wall mount, it is
recommended using 200 mm x 100
mm VESA-compatible wall mount
kit with M4 x 10 mm screws.
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Regulatory label
Lists the regulatory approvals.
Barcode serial number label
Refer to this label if you need to
contact Dell for technical support.
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Cable management slot
Use to organize cables by placing
them through the slot.
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Bottom View
Bottom view without monitor stand
Description
Label
Use
1
AC power connector
Connect the power cable.
2
Security lock slot
Secures monitor with security lock
(security lock not included).
3
HDMI port connector
DisplayPort in connector
USB Type-C port
Connect your computer with
HDMI cable.
(1, 2)
4
5
Connect your computer with DP
cable.
Connect the USB Type-C cable
that came with your monitor to the
computer or mobile device. This
port supports USB Power Delivery,
Data, and DisplayPort video signal.
The USB Type-C port offers the
fastest transfer rate and the
alternate mode with DP1.4
supports a maximum resolution of
5120 x 1440 at 60 Hz,
PD 20 V/4.5 A, 20 V/3.25 A, 15 V/
3 A, 9 V/3 A, and 5 V/3 A.
NOTE: USB Type-C is not
supported on versions of Windows
prior to Windows 10.
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USB upstream port
Connect the USB cable that came
with your monitor to the computer.
Once this cable is connected, you
can use the USB connectors on
the monitor.
(1, 2)
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USB downstream port
Connect your USB device. You can
only use this connector after you
have connected the USB cable to
the computer and USB upstream
connector on the monitor.*
(1, 2, 3,
5)
7-4
USB downstream port with Power Connect to charge your device.
Charging
* To avoid signal interference, when a wireless USB device has been connected to
a USB downstream port, it is NOT recommended to connect any other USB
devices to the adjacent port(s).
Monitor Specifications
Flat Panel Specifications
Model
U4919DW
Screen type
Active matrix - TFT LCD
In-Plane Switching Type
32:9
Panel technology
Aspect ratio
Viewable image
Diagonal
1244.6 mm (49 inches)
1198.08 mm (47.17 inches)
336.96 mm (13.27 inches)
2
Horizontal, Active Area
Vertical, Active Area
Area
2
403705 mm (625.74 inch )
0.234 mm x 0.234 mm
109
Pixel pitch
Pixel per inch
Viewing angle
178° (vertical) typical
178° (horizontal) typical
350 cd/m² (typical)
Luminance output
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Contrast ratio
Faceplate coating
Backlight
1000 to 1 (typical)
Antiglare with hard-coating 3H
White LED edgelight system
8 ms for NORMAL mode
Response time
5 ms for FAST mode
Color depth
1.07 billion colors
Color gamut*
99% sRGB
Calibration accuracy
Built-in devices
Delta E < 2 (average)
• 2 x USB 3.0 upstream port
• 5 x USB 3.0 downstream ports
• 1 x USB Type-C port
Connectivity
• 2 x HDMI 2.0 (HDCP 2.2) (10-bit color @ 60 Hz)
• 1 x DP 1.4 (HDCP 2.2) (10-bit color @ 60 Hz)
• 5 x USB 3.0 Downstream port
• 2 x USB 3.0 Upstream port
• 1 x USB Type-C (Alternate mode with DP1.4, Power
Delivery, and USB2.0) (8-bit color @ 60 Hz)
Border width (edge of
monitor to active area)
12.2 mm (Top)
11.0 mm (Left/Right)
17.4 mm (Bottom)
Adjustability
Height adjustable stand 0 to 90 mm
Til t
-5° to 21°
-170° to 170°
N/A
Swivel
Pivot
NOTE: Do not mount or use this monitor in portrait (vertical) orientation or inverse
(180°) landscape mount as it may damage the monitor.
Dell Display Manager
(DDM) Compatibility
Easy Arrange, Input Manager, Auto Source, etc.
Security
Security lock slot (cable lock sold separately)
* Color gamut (typical) is based on CIE1976 (90%) and CIE1931 (75%) test
standards.
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About Your Monitor
Resolution Specifications
Model
U4919DW
Horizontal scan range
25 kHz to 115 kHz (automatic)
(HDMI & DP & USB Type-C alternate mode)
Vertical scan range
24 Hz to 86 Hz (automatic)
5120 x 1440 at 60 Hz
(HDMI & DP & USB Type-C alternate mode)
Maximum preset resolution
Supported Video Modes
Model
U4919DW
Video display capabilities (HDMI playback)
480p, 576p, 720p, 1080i, 1080p,
(Interlacing mode is not
supported under PBP mode)
Preset Display Modes
Display Mode
Horizontal
Frequency Frequency
Vertical
Pixel
Clock
(MHz)
Sync Polarity
(Horizontal/
Vertical)
(kHz)
31.5
(Hz)
70.0
60.0
75.0
60.0
75.0
60.0
75.0
60.0
75.0
75.0
VESA, 720 x 400
VESA, 640 x 480
VESA, 640 x 480
VESA, 800 x 600
VESA, 800 x 600
VESA, 1024 x 768
VESA, 1024 x 768
VESA, 1280 x 1024
VESA, 1280 x 1024
VESA, 1152 x 864
28.3
25.2
31.5
-/+
-/-
31.5
37.5
37.9
-/-
40.0
49.5
65.0
78.8
+/+
+/+
-/-
46.9
48.4
60.0
64.0
80.0
67.5
+/+
+/+
+/+
+/+
108.0
135.0
108.0
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VESA, 1600 x 900
VESA, 1920 x 1080
VESA, 2560 x 1440
VESA, 3840 x 1080
60.0
67.5
88.8
66.6
88.8
60.0
60.0
60.0
60.0
60.0
108.0
148.5
234.4
261.0
461.6
+/+
+/+
+/+
+/-
#
+/+
VESA, 5120 x 1440
# Requires a graphics card that supports HDMI 2.0.
# Requires a graphics card that supports DP1.2 or above.
* Recommend user to disable YPbPr color format.
Electrical Specifications
Model
U4919DW
Video input signals
HDMI 2.0*/DP 1.4, 600 mV for each differential line,
100 ohm input impedance per differential pair.
AC input voltage/
frequency/current
100 VAC to 240 VAC / 50 Hz or 60 Hz + 3 Hz / 3 A
(typical)
Inrush current
• 120 V: 40 A (Max.) at 25 °C
• 240 V: 80 A (Max.) at 25 °C
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Power consumption
• 0.2 W (Off mode)
1
• 0.4 W (Standby mode)
1
• 47 W (On mode)
2
• 230 W (Max.)
3
• 38.8 W (Pon)
3
• 123.2 kWh (TEC)
* Not Support HDMI 2.0 optional specification, include HDMI Ethernet Channel
(HEC), Audio Return Channel (ARC), standard for 3D format and resolutions, and
standard for 4K digital cinema resolution.
1
As defined in EU 2019/2021 and EU 2019/2013.
2
Max brightness and contrast setting with maximum power loading on all USB
ports.
3
Pon: Power consumption of On mode as defined in Energy Star 8.0 version.
TEC: Total energy consumption in kWh as defined in Energy Star 8.0 version.
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This document is informational only and reflects laboratory performance. Your
product may perform differently, depending on the software, components and
peripherals you ordered and shall have no obligation to update such information.
Accordingly, the customer should not rely upon this information in making
decisions about electrical tolerances or otherwise. No warranty as to accuracy or
completeness is expressed or implied.
NOTE: This monitor is ENERGY STAR certified.
This product qualifies for ENERGY STAR in the factory
default settings which can be restored by “Factory Reset”
function in the OSD menu. Changing the factory default
settings or enabling other features may increase power
consumption that could exceed the ENERGY STAR specified
limit.
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Physical Characteristics
Model
U4919DW
Connector Type
• DP1.4, black connector
• HDMI2.0
• USB 3.0
• USB Type-C
Signal cable type
• Digital: Detachable, HDMI, 19 pins
• Digital: DisplayPort, 20 pins
• Digital: Type-C Port, 24 pins
• Universal Serial Bus: USB, 9 pins
Dimensions (with stand)
Height (extended)
Height (compressed)
Width
548.6 mm (21.60 inches)
458.6 mm (18.06 inches)
1215.1 mm (47.84 inches)
252.6 mm (9.94 inches)
Depth
Dimensions (without stand)
Height
371 mm (14.61 inches)
1215.1 mm (47.84 inches)
109.3 mm (4.30 inches)
Width
Depth
Stand dimensions
Height (extended)
Height (compressed)
Width
433.5 mm (17.07 inches)
343.5 mm (13.52 inches)
380.3 mm (14.97 inches)
252.6 mm (9.94 inches)
Depth
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Physical Characteristics (Continued)
Weight
Weight with packaging
26.43 kg (58.27 lb)
17.20 kg (37.92 lb)
Weight with stand assembly and
cables
Weight without stand assembly
(For wall mount or VESA mount
considerations - no cables)
11.40 kg (25.13 lb)
Weight of stand assembly
Front frame gloss
5.34 kg (11.77 lb)
Black Frame - 30 gloss unit (max.)
Environmental Characteristics
Model
U4919DW
Compliant Standards
• ENERGY STAR certified monitor
• EPEAT registered where applicable. EPEAT registration varies by country. See
www.epeat.net for registration status by country.
• RoHS-compliant
• TCO Certified
• BFR/PVC-free (Halogen-free) excluding external cables
• Arsenic-free glass and Mercury-free for the panel only
Temperature
Operating
0 °C to 40 °C (32 °F to 104 °F)
-20 °C to 60 °C (-4 °F to 140 °F)
Non-operating
Humidity
Operating
20% to 80% (non-condensing)
10% to 90% (non-condensing)
Non-operating
Altitude
Operating
3,048 m (10,000 ft) (maximum)
12,192 m (40,000 ft) (maximum)
• 784.3 BTU/hour (maximum)
• 204.6 BTU/hour (typical)
Non-operating
Thermal dissipation
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Pin Assignments
DisplayPort Connector
Pin
20-pin Side of the
Number
Connected Signal Cable
ML3 (n)
GND
1
2
3
ML3 (p)
ML2 (n)
GND
4
5
6
ML2 (p)
ML1 (n)
7
8
GND
9
ML1 (p)
10
11
12
13
14
15
16
17
18
19
20
ML0 (n)
GND
ML0 (p)
GND
GND
AUX (p)
GND
AUX (n)
Hot Plug Detect
Re-PWR
+3.3 V DP_PWR
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HDMI Connector
Pin
19-pin Side of the
Number
Connected Signal Cable
1
TMDS DATA 2+
2
TMDS DATA 2 SHIELD
TMDS DATA 2-
3
4
TMDS DATA 1+
5
TMDS DATA 1 SHIELD
TMDS DATA 1-
6
7
TMDS DATA 0+
8
TMDS DATA 0 SHIELD
TMDS DATA 0-
9
10
11
12
13
14
15
16
17
18
19
TMDS CLOCK+
TMDS CLOCK SHIELD
TMDS CLOCK-
CEC
Reserved (N.C. on device)
DDC CLOCK (SCL)
DDC DATA (SDA)
DDC/CEC Ground
+5V POWER
HOT PLUG DETECT
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Plug and Play Capability
You can install the monitor in any Plug and Play-compatible system. The monitor
automatically provides the computer system with its Extended Display Identification
Data (EDID) using Display Data Channel (DDC) protocols so the system can
configure itself and optimize the monitor settings. Most monitor installations are
automatic; you can select different settings if desired. For more information about
Universal Serial Bus (USB) Interface
This section gives you information about the USB ports that are available on the
monitor.
NOTE: This monitor is Super-Speed USB 3.0 compatible.
Transfer Speed
Super-speed
High speed
Data Rate
5 Gbps
Power Consumption*
4.5 W (Max, each port)
4.5 W (Max, each port)
4.5 W (Max, each port)
480 Mbps
12 Mbps
Full speed
* Up to 2A on USB downstream port (port with
compliance devices or normal USB devices.
battery icon) with BC1.2
USB Type-C
Description
Video
Data
DP 1.2/DP 1.4
USB 2.0
Power Delivery (PD)
Up to 90 W (typical)
NOTE: USB Type-C video requires a Type-C Alternate Mode capability
computer.
NOTE: To support USB Type-C Alternate Mode DP 1.4, please ensure
the Source computer has Alternate Mode DP 1.4 capability.
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9
SSTX-
SSTX+
USB Type-C Connector
Pin Number
Signal Name
Pin Number
Signal Name
GND
A1
GND
TX1+
TX1-
VBUS
CC
B1
A2
A3
A4
A5
A6
A7
A8
A9
B2
B3
B4
B5
B6
B7
B8
B9
TX2+
TX2-
VBUS
VCONN
D+
D-
SBU1
VBUS
RX2-
RX2+
GND
SBU2
VBUS
RX1-
A10
A11
B10
B11
B12
RX1+
GND
A12
USB Ports
• 1 x USB Type-C - bottom
• 2 x USB 3.0 upstream - bottom
• 5 x USB 3.0 downstream - bottom
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• Power Charging Port- the port with
battery icon; supports fast current
charging capability if the device is BC1.2 compatible.
NOTE: USB 3.0 functionality requires a USB 3.0-capable computer.
NOTE: The USB ports on the monitor work only when the monitor is On
or in the Standby mode. If you turn Off the monitor and then turn it On,
the attached peripherals may take a few seconds to resume normal
functionality.
LCD Monitor Quality and Pixel Policy
During the LCD Monitor manufacturing process, it is not uncommon for one or more
pixels to become fixed in an unchanging state which are hard to see and do not
affect the display quality or usability. For more information on Dell Monitor Quality
and Pixel Policy, see Dell Support site at: http://www.dell.com/support/
monitors.
Maintenance Guidelines
Cleaning Your Monitor
monitor.
WARNING: Before cleaning the monitor, unplug the monitor power
cable from the electrical outlet.
For best practices, follow the instructions in the list below while unpacking, cleaning,
or handling your monitor:
• To clean your anti-static screen, lightly dampen a soft, clean cloth with water.
If possible, use a special screen-cleaning tissue or solution suitable for the
anti-static coating. Do not use benzene, thinner, ammonia, abrasive cleaners,
or compressed air.
• Use a lightly-dampened, warm cloth to clean the monitor. Avoid using
detergent of any kind as some detergents leave a milky film on the monitor.
• If you notice white powder when you unpack your monitor, wipe it off with a
cloth.
• Handle your monitor with care as a darker-colored monitor may get scratched
and show white scuff marks more than a lighter-colored monitor.
• To help maintain the best image quality on your monitor, use a dynamically
changing screen saver and turn Off your monitor when not in use.
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Setting Up the Monitor
Attaching the Stand
NOTE: The stand is detached when the monitor is shipped from the
factory.
NOTE: This is applicable for a monitor with a stand. When any other
stand is bought, please refer to the respective stand setup guide for
the set up instructions.
CAUTION: Do not remove the monitor from the packaging box before
attaching the stand.
To attach the monitor stand:
1. Follow the instructions on the flaps of carton to remove the stand from the
top cushion that secures it.
2. Insert the stand base blocks fully into the stand slot.
3. Lift the screw handle and turn the screw clockwise.
4. After fully tightening the screw, fold the screw handle flat within the recess.
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5. Lift the cover, as shown, to expose the VESA area for stand assembly.
6. Attach the stand assembly to the monitor.
a. Fit the two tabs on the upper part of the stand to the groove on the back of
the monitor.
b. Use a Phillips crosshead screwdriver to attach the four screws to secure
the stand assembly to the monitor.
NOTE: When attaching the stand assembly, tilt the stand base upwards
and make sure that the stand base does not hit the surface.
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7. Attach the VESA cover to the monitor.
a. Insert the cover with the lower part downward. Do NOT attach the latch at
this point.
b. Tilt to fit the three tabs on the upper part of the cover to the groove of the
back of the monitor.
c. Press the cover down till the latch snaps into place.
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8. Hold the monitor holders firmly, and lift the monitor carefully to prevent it
from slipping or falling.
NOTE: The monitor is very heavy; handle with extreme care. It is
recommended to have two people to lift or move this monitor.
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9. Set the monitor in place, and remove the monitor holders from the monitor.
NOTE: The monitor is very heavy; handle with extreme care. It is
recommended to have two people to lift or move this monitor.
CAUTION: Do not press on the panel screen when lifting the monitor.
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Wall Mounting/3rd Party Arm (Optional)
NOTE: Wall Mount Kit/3rd Party Arm Kit is NOT included in this
monitor.
CAUTION: Do not remove the monitor from the packaging box before
attaching the mounting bracket from the Wall Mount Kit/3rd Party Arm
Kit.
Refer to the instructions that come with the VESA-compatible wall mounting
bracket.
1. Attach the mounting bracket onto the monitor.
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2. Hold the monitor holders firmly, and lift the monitor carefully to prevent it
from slipping or falling. Attach the monitor to the Wall Mount/3rd Party Arm
following its respective instructions.
NOTE: The monitor is very heavy; handle with extreme care. It is
recommended to have two people to lift or move this monitor.
3. After attaching the monitor to the Wall Mount/3rd Party Arm, remove the
monitor holder from the monitor.
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4. When using as dual monitor stacked on top of each other, set up must comply
to the recommended panel orientation and working angle, as shown.
NOTE: In double stacked scenario using 3rd Party Arm, the top monitor
should not be rotated 180° (landscape). The monitor should not be
orientated at 90° (portrait).
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Connecting Your Monitor
WARNING: Before you begin any of the procedures in this section,
NOTE: Do not connect all cables to the computer at the same time.
To connect your monitor to the computer:
1. Turn Off your computer and disconnect the power cable.
2. Connect the HDMI/DP/USB Type-C cable from the monitor to your computer
or USB Type-C device.
Connecting the HDMI cable
NOTE: The default out of factory setting in the U4919DW is HDMI 2.0.
If the monitor fails to show any content after the HDMI cable is
connected, follow the procedures below to change the settings from
HDMI 2.0 to HDMI 1.4:
•
•
Press second button next to the
button to activate the OSD menu.
Use the
and
buttons to highlight Input Source, then use the
button enter the submenu.
•
•
Use the
and
buttons to highlight HDMI.
Press and hold the
button for approximately 10 seconds, and the
HDMI configuration message appears.
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Connecting the USB Type-C cable
NOTE: Use the USB Type-C cable shipped with monitor only.
•
•
This port supports DisplayPort Alternate Mode DP 1.4.
The USB Type-C power delivery compliant port (PD Version 2.0) delivers
up to 90 W of power.
•
If your notebook requires more than 90 W to operate and the battery is
drained, it may not be powered up or charged with the USB PD port of
U4919DW.
CAUTION: The graphics are used for the purpose of illustration only.
Appearance of the computer may vary.
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Connecting the USB 3.0 cable
NOTE: To prevent data damage or loss, before changing USB upstream
ports, make sure that NO USB storage devices are in use by the
computer connected to the monitor’s USB upstream port.
After you have completed connecting the HDMI/DP/USB Type-C cable, follow the
procedures below to connect the USB 3.0 cable to the computer and complete
your monitor setup:
1. a. Connect one computer: connect the upstream USB 3.0 port (cable
supplied) to an appropriate USB 3.0 port on your computer.
b. Connect two computers*: connect the upstream USB 3.0 ports to
appropriate USB 3.0 ports on the two computers. Then use the OSD menu to
select between the two USB upstream sources and input sources. See USB
2. Connect the USB 3.0 peripherals to the downstream USB 3.0 ports on the
monitor.
3. Plug the power cables for your computer(s) and monitor into a nearby outlet.
a. Connect one computer
b. Connect two computers
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* When connecting two computers to the monitor, the monitor's USB downstream
ports for the keyboard and mouse can be assigned to different input signals from
the two computers by changing the USB Selection settings from the OSD menu.
4. Turn On the monitor and the computer(s).
If your monitor displays an image, installation is complete. If it does not display
5. Use the cable slot on the monitor stand to organize the cables.
Organizing Your Cables
After attaching all necessary cables to your monitor and computer, (See
Connecting Your Monitor for cable attachment,) organize all cables as shown
above.
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Removing the Monitor Stand
NOTE: To prevent the curved LCD screen from being scratched and
damaged while removing the stand, ensure that the monitor is placed
on a soft, clean foam. Direct contact with hard objects might cause
damage to the curved monitor.
NOTE: The monitor is very heavy; handle with extreme care. It is
recommended to have two people to lift or move this monitor.
NOTE: This is applicable for a monitor with a stand. When any other
stand is bought, please refer to the respective stand setup guide for
the set-up instructions.
To remove the stand:
1. Place the monitor on a soft cloth or cushion.
2. Press and lift the cover latch to release and remove the cover.
Setting Up the Monitor
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3. Use a Phillips crosshead screwdriver to remove the four screws securing the
stand.
4. Lift the stand up and away from the monitor.
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Operating the Monitor
Power On the Monitor
Press the
button to turn On the monitor.
Using the Front Panel Controls
Use the control buttons on the front of the monitor to adjust settings.
The following table describes the front panel buttons:
Front Panel Button
Description
1
Use the Power button to turn the monitor On
and Off.
Power
(with power light
indicator)
Solid white light indicates that the monitor is
turned on and functioning normally. Blinking white
light indicates that the monitor is in Standby
Mode.
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2
3
4
Use this button to choose from a list of preset
color modes.
Shortcut key/
Preset Modes
Use this button to adjust the brightness and
contrast. Minimum is ‘0’ (-). Maximum is ‘100’ (+).
Shortcut key/
Brightness/Contrast
Use this button to select the input source.
Shortcut key/
Input Source
5
6
Use the MENU button to launch the On-Screen
Display (OSD). See Accessing the Menu
Menu
Use this button to exit the OSD main menu.
Exit
Front Panel Button
Use the buttons on the front of the monitor to adjust the image settings.
Front Panel Button
Description
1
No Function This button has no function.
2
Use the Up button to adjust (increase ranges) items in the
OSD menu.
Up
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3
4
5
Use the Down button to adjust (decrease ranges) items in
the OSD menu.
Down
Enter
Exit
Use the Enter button to enter a submenu.
Use this button to exit the OSD main menu.
Using the On-Screen Display (OSD) Menu
Accessing the Menu System
NOTE: If you change the settings and then either proceed to another
menu or exit the OSD menu, the monitor automatically saves those
changes. The changes are also saved if you change the settings and
then wait for the OSD menu to disappear.
1. Press the
button to launch the OSD menu and display the main menu.
2. Press the
and
buttons to move between the setting options. As you
move from one icon to another, the option name is highlighted. See the
following table for a complete list of all the options available for the monitor.
3. Press the
button once to activate the highlighted option.
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4. Press
and
button to select the desired parameter.
5. Press
to enter the submenu and then use the directional buttons,
according to the indicators on the menu, to make your changes.
6. Select the button to return to the main menu.
Icon
Menu and
Submenus
Brightness/ Use this menu to activate Brightness/Contrast
Description
Contrast
adjustment.
Brightness
Brightness adjusts the luminance of the backlight.
Press the
press the
button to increase the brightness and
button to decrease the brightness
(min. 0 / max. 100).
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Contrast
Adjust the Brightness first, and then adjust the
Contrast only if further adjustment is necessary.
Press the
button to increase the contrast and press
the button to decrease the contrast (min. 0 /
max. 100).
The Contrast function adjusts the degree of difference
between darkness and lightness on the monitor screen.
Input Source Use the Input Source menu to select between the
different video signals that may be connected to your
monitor.
USB Type-C Select the USB Type-C input when you are using the
USB Type-C connector. Press the
the USB Type-C input source.
button to select
DP
Select the DP input when you are using the DisplayPort
(DP) connector. Press the
DisplayPort input source.
button to select the
HDMI 1
Select the HDMI 1 input when you are using the HDMI 1
connector. Press the
input source.
button to select the HDMI 1
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HDMI 2
Select the HDMI 2 input when you are using the HDMI
2 connector. Press the
input source.
button to select the HDMI 2
Auto Select Turning on the function allows you to scan for available
input sources.
Auto Select for Allows you to set Auto Select for USB-C to:
USB-C
•
Prompt for Multiple Inputs: Always displays the
“Switch to USB-C Video Input” message for you
to choose whether to switch or not.
• Yes: Always switch to USB-C video input (without
asking) when the USB Type-C cable is connected.
• No: Never automatically switch to USB-C video input
when the USB Type-C cable is connected.
NOTE: Auto Select for USB-C is only available when
Auto Select is turned On.
Reset Input Reset your monitor input settings to the factory
Source
settings.
Color
Use Color to adjust the color setting mode.
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Preset Modes When you select Preset Modes, you can choose
Standard, ComfortView, Movie, Game, Color
Temp.,or Custom Color from the list.
• Standard: Loads the monitor's default color settings.
This is the default preset mode.
• ComfortView: Decreases the level of the blue light
emitted from the screen to make viewing more
comfortable for your eyes.
WARNING: The possible long-term effects of blue light
emission from the monitor may cause personal injury
such as digital eye strain, eye fatigue and damage to the
eyes. Using monitor for extended periods of time may
also cause pain in parts of body such as neck, arm, back
and shoulder.
To reduce the risk of eye strain and neck/arm/back/
shoulder pain from using the monitor for long periods of
time, we suggest you to:
1. Set the distance of the screen between 20 inches
to 28 inches (50 cm-70 cm) from your eyes.
2. Blink frequently to moisten your eyes or wet your
eyes with water after prolonged usage of the
monitor.
3. Take regular and frequent breaks for 20 minutes
every two hours.
4. Look away from your monitor and gaze at a distant
object at 20 feet away for at least 20 seconds
during the breaks.
5. Perform stretches to relieve tension in the neck,
arm, back, and shoulders during the breaks.
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• Movie: Loads color settings ideal for movies.
• Game: Loads color settings ideal for most gaming
applications.
• Color Temp.: Allows users to select the color
temperature: 5000K, 5700K, 6500K, 7500K, 9300K,
and 10000K. Press the
button to select a
preferred color temperature.
• Custom Color: Allows you to manually adjust the
color settings. Press the
and
buttons to
adjust the Gain, Offset, Hue, and Saturation
values and create your own preset color mode.
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Input Color Allows you to set the video input mode to:
Format
RGB: Select this option if your monitor is connected to
a computer (or DVD player) using the DP or HDMI or
USB Type-C cable. Press the
RGB mode.
button to select the
YPbPr: Select this option if your DVD player supports
only YPbPr output. Press the
YPbPr mode.
button to select the
Hue
This feature can shift the color of the video image to
green or purple. This is used to adjust the desired flesh
tone color. Use
'100'.
or
to adjust the hue from '0' to
Use
to increase the green shade of the video image.
Use
to increase the purple shade of the video image.
NOTE: Hue adjustment is available only when you
select Movie or Game preset mode.
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Saturation
This feature can adjust the color saturation of the video
image. Use
'100'.
or
to adjust the saturation from '0' to
Use
to increase the colorful appearance of the video
image.
Use
to increase the monochrome appearance of the
video image.
NOTE: Saturation adjustment is available only when
you select Movie or Game preset mode.
Reset Color Reset your monitor color settings to the factory
settings.
Display
Use Display to adjust images.
Aspect Ratio Adjusts the image ratio to Wide 32:9, Auto Resize,
4:3, or 1:1.
Sharpness
This feature can make the image look sharper or softer.
Use or to adjust the sharpness from '0' to '100'.
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Response Time Allows you to set the Response Time to Normal or
Fast.
Uniformity
Select screen uniformity compensation settings.
Compensation Calibrated is factory calibrated setting by default.
Uniformity Compensation adjusts different areas of
the screen with respect to the center to achieve uniform
brightness and color over the entire screen. For optimal
screen performance, Brightness and Contrast for
some preset modes (Standard, Color Temp.) will be
disabled when Uniformity Compensation is turned
On.
NOTE: User is advised to use factory default brightness
setting when Uniformity Compensation is turned on.
For other brightness level setting, the uniformity
performance may deviate from the data shown on the
Factory Calibration Report.
Reset Display Select this option to restore default display settings.
PBP
This function brings up a window displaying image from
another input source.
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Sub-Window
HDMI 1
Main Window
USB Type-C
HDMI 2
DP
USB Type-C
DP
X
X
HDMI 1
HDMI 2
X
X
NOTE: The images under PBP will be displayed at the
center of the screen, not full screen.
PBP Mode
Adjusts the PBP (Picture by Picture) mode between
PBP or Off.
Press the
button to enable PBP mode.
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PBP (Sub)
Select between the different video signals that may be
connected to your monitor for the PBP sub-window.
Press the
button to select the PBP sub-window
source signal.
USB Select Select to switch between the USB upstream sources in
Switch
PBP mode. Press the
button to switch among USB
upstream sources in PBP mode.
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Video Swap Select to swap videos between main window and sub-
window in PBP mode. Press the
main window and sub-window.
button to swap
Contrast (Sub) Adjust the contrast level of the picture in PBP Mode.
Press the button to increase the contrast and press
button to decrease the contrast.
the
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USB Selection Allows you to set the USB upstream port for the input
signals (DP, HDMI 1, and HDMI 2), thus the monitor's
USB downstream port (eg. keyboard and mouse) can be
used by the current input signals when you connect a
computer to either one of the upstream ports.
When you use only one upstream port, the connected
upstream port is active.
NOTE: To prevent data damage or loss, before
changing USB upstream ports, make sure that NO USB
storage devices are in use by the computer connected
to the monitor’s USB upstream port.
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Menu
Select this option to adjust the settings of the OSD,
such as, the languages of the OSD, the amount of time
the menu remains on screen, and so on.
Language
Language options set the OSD display to one of the
eight languages (English, Spanish, French, German,
Brazilian Portuguese, Russian, Simplified Chinese or
Japanese).
Transparency Select this option to change the menu transparency by
pressing the
and
buttons (Minimum: 0 ~
Maximum: 100).
Timer
OSD Hold Time: sets the length of time the OSD will
remain active after the last time you pressed a button.
Use
or
to adjust the slider in 1 second
increments, from 5 to 60 seconds.
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Lock
With the control buttons on the monitor locked, you can
prevent people from accessing the controls. It also
prevents accidental activation in multiple monitors side-
by-side setup.
• Menu Buttons: All Menu/function buttons (except
the Power button) are locked and not accessible by
the user.
• Power Button: Only the Power button is locked and
not accessible by the user.
• Menu + Power Buttons: Both the Menu/function &
Power buttons are locked and not accessible by the
user.
The default setting is Disable.
Alternative Lock Method [for Menu/function buttons]:
You can also press and hold the Menu/function button
next to the Power button for 4 seconds to set the lock
options.
NOTE: To unlock the button(s), press and hold the
Menu/function button next to the Power button for 4
seconds.
Reset Menu Reset all OSD settings to the factory preset values.
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Personalize
Shortcut Key 1 Allows you to choose a feature from Preset Modes,
Brightness/Contrast, Input Source, Aspect Ratio,
PBP Mode, USB Select Switch, or Video Swap and
set it as a shortcut key.
Shortcut Key 2
Shortcut Key 3
Power Button Allows you to set the power LED indicator On or Off to
LED
save energy.
USB-A
Charging
Allows you to enable or disable USB Type-A
(Downstream Ports) charging function during monitor
standby mode.
NOTE: This option is only available when the USB
Type-C (Upstream Port) cable is unplugged. If the USB
Type-C cable is connected, USB-A Charging follows the
USB host power status and the option is not accessible.
NOTE: This option was previously called USB in older
monitor firmware revisions.
USB-C
Charging
Allows you to enable or disable Always On USB
Type-C Charging function during monitor Power Off
mode.
NOTE: This option is only available in newer monitor
firmware revisions.
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Monitor Sleep Allows you to let the monitor turn off automatically or
stay on when your computer goes into sleep mode.
When On is selected, the monitor goes to Standby
mode as the system sleeps; when Off is selected, you
may prevent the screen from going off as the system
sleeps for speedy display recovery from PC wake up.
Reset
Reset all settings under the Personalize menu to the
Personalization factory preset values
Others
Display Info Displays the monitor's current settings.
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DDC/CI
DDC/CI (Display Data Channel/Command Interface)
allows your monitor parameters (brightness, color
balance, and etc.) to be adjustable via the software on
your computer.
You can disable this feature by selecting Off.
Enable this feature for best user experience and
optimum performance of your monitor.
LCD
Helps reduce minor cases of image retention.
Conditioning Depending on the degree of image retention, the
program may take some time to run. You can enable this
feature by selecting On.
Firmware
Displays the firmware version of your monitor.
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Service Tag Displays the service tag serial number of your monitor.
Reset Others Reset all settings under the Others menu to the factory
preset values.
Factory Reset Restore all preset values to the factory default settings.
®
These are also the settings for ENERGY STAR tests.
OSD Warning Messages
When the monitor does not support a particular resolution mode, you will see the
following message:
NOTE: The message may be slightly different according to the
connected input signal.
This means that the monitor cannot synchronize with the signal that it is receiving
frequency ranges addressable by this monitor. Recommended mode is 5120 x 1440.
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You will see the following message before the DDC/CI function is disabled:
When you adjust the Brightness level for the first time, the following message
appears:
NOTE: If Yes is selected, the message will not appear next time when
you intend to change the Brightness setting.
When you change the default setting of power saving features for the first time,
such as Uniformity Compensation, USB-C Charging, USB-A Charging, or
Monitor Sleep, the following message appears:
NOTE: If you select Yes for any one of the features mentioned above,
the message will not appear next time when you intend to change the
settings of these features. When you perform a factory reset, the
message will appear again.
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You will see the following message before the Lock function is activated:
NOTE: The message may be slightly different according to the selected
settings.
When the monitor enters the Standby mode, the following message appears:
NOTE: The message may be slightly different according to the
connected input signal.
If you press any button other than the power button, the following message will
appear depending on the selected input:
NOTE: The message may be slightly different according to the
connected input signal.
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If either USB Type-C, HDMI, or DP input is selected and the corresponding cable is
not connected, a floating dialog box as shown below appears.
NOTE: The message may be slightly different according to the
connected input signal.
When the monitor is under DP/HDMI input and a USB Type-C cable is connected to
enabled, the following message appears:
When Factory Reset is selected, the following message appears:
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When Yes is selected, the following message appears:
Setting the Maximum Resolution
To set the maximum resolution for the monitor:
®
®
®
In Windows 7, Windows 8, and Windows 8.1:
®
®
1. For Windows 8 and Windows 8.1 only, select the Desktop tile to switch to
classic desktop.
2. Right-click on the desktop and click Screen Resolution.
3. Click the Dropdown list of the Screen Resolution and select 5120 x 1440.
4. Click OK.
®
In Windows 10:
1. Right-click on the desktop and click Display settings.
2. Click Advanced display settings.
3. Click the dropdown list of Resolution and select 5120 x 1440.
4. Click Apply.
If you do not see 5120 x 1440 as an option, you may need to check whether your
graphic card supports 4K@60 Hz. If it does support 4K@60 Hz, update your
graphic driver. If it does not support 4K@60 Hz, depending on your computer,
complete one of the following procedures:
If you have a Dell desktop or portable computer:
the latest driver for your graphics card.
If you are using a non-Dell computer (portable or desktop):
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• Go to the support site for your computer and download the latest graphic
drivers.
• Go to your graphics card website and download the latest graphic drivers.
Setting the KVM USB Switch
To set the KVM USB Switch as Shortcut Key for the monitor:
1. Press the
button to launch the OSD menu and display the main menu.
and buttons to “Personalize”.
2. Press the
3. Press the
button to activate the highlighted option.
4. Press the
button to Shortcut Key 1 to activate the highlighted option.
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5. Press the
and
buttons to “USB Select Switch”.
6. Press the
button to confirm selection.
7. Press the
button to return to the main menu.
NOTE: KVM USB Switch function only work under PBP Mode.
The following are illustrations of several connection scenarios and their USB
Selection menu settings, as illustrated in corresponding color frames.
1. When connecting HDMI 1 + USB 1 to computer 1 and DP + USB Type-C to
computer 2:
NOTE: The USB Type-C connection currently supports only data
transfer.
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Make sure USB Selection for HDMI 1 is set to USB 1 and DP is set to
USB Type-C.
2. When connecting HDMI 1 + USB 1 to computer 1 and HDMI 2 + USB 2 to
computer 2:
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Make sure USB Selection for HDMI 1 is set to USB 1 and HDMI 2 is set to
USB 2.
3. When connecting HDMI 1 + USB 1 to computer 1 and USB Type-C to
computer 2:
NOTE: The USB Type-C connection currently supports video and data
transfer.
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Make sure USB Selection for HDMI 1 is set to USB 1.
NOTE: As the USB Type-C port supports the DisplayPort Alternate
Mode, there is no need to set USB Selection for USB Type-C.
NOTE: When connecting to different video input sources not shown
above, follow the same method to make correct settings for USB
Selection to pair the ports.
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3. Ensure that the USB ports and the video inputs are paired accordingly.
NOTE: For USB Type-C connection, there is no further setting
required.
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Using the Tilt, Swivel, and Vertical Extension
NOTE: This is applicable for a monitor with a stand. When any other
stand is bought, please refer to the respective stand setup guide for set
up instructions.
Til t, Swivel
With the stand attached to the monitor, you can tilt and swivel the monitor for the
most comfortable viewing angle.
NOTE: The stand is detached when the monitor is shipped from the
factory.
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Vertical Extension
NOTE: The stand extends vertically up to 90 mm. The figure below
illustrates how to extend the stand vertically.
Dual-Monitor Setup
The recommended dual-monitor setup:
Landscape (Top-bottom)
Due to cable length restrictions (1 m) for USB Type-C Gen2 cable, it is
recommended to connect your monitors:
• Connect the upper monitor with HDMI/DP cable.
• Connect the lower monitor with HDMI/DP/USB Type-C Gen2 cable.
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Troubleshooting
WARNING: Before you begin any of the procedures in this section,
Self-Test
Your monitor provides a self-test feature that allows you to check whether your
monitor is functioning properly. If your monitor and computer are properly
connected but the monitor screen remains dark, run the monitor self-test by
performing the following steps:
1. Turn off both your computer and the monitor.
2. Unplug the video cable from the back of the computer.
3. Turn on the monitor.
The floating dialog box should appear on-screen (against a black background), if the
monitor cannot sense a video signal and is working correctly. While in self-test
mode, the power LED remains white. Also, depending upon the selected input, the
dialog shown below will continuously scroll through the screen.
NOTE: The message may be slightly different according to the
connected input signal.
4. This box also appears during normal system operation, if the video cable
becomes disconnected or damaged.
5. Turn Off your monitor and reconnect the video cable; then turn On both your
computer and the monitor.
If your monitor screen remains blank after you use the previous procedure, check
your video controller and computer, because your monitor is functioning properly.
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Built-in Diagnostics
Your monitor has a built-in diagnostic tool that helps you determine if the screen
abnormality you are experiencing is an inherent problem with your monitor, or with
your computer and video card.
NOTE: You can run the built-in diagnostics only when the video cable is
unplugged and the monitor is in self-test mode.
To run the built-in diagnostics:
1. Ensure that the screen is clean (no dust particles on the surface of the
screen).
2. Press and hold Button 6 for about 4 seconds until a pop menu appears.
3. Use Button 3 or Button 4 to select the diagnostic tool
and use Button 5
to confirm. A gray test pattern appears at the beginning of the diagnostic
program.
4. Carefully inspect the screen for abnormalities.
5. Press Button 2 again to change the test patterns.
6. Repeat steps 4 and 5 to inspect the display in red, green, blue, black, white,
and text screens.
7. Press Button 2 to end the diagnostic program.
If you do not detect any screen abnormalities upon using the built-in diagnostic tool,
the monitor is functioning properly. Check the video card and computer.
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roubleshooting
Always On USB Type-C Charging
The monitor allows you to charge your notebook or mobile devices through the USB
more information. This feature is only available when the monitor firmware revision
is M2B102 or later.
go to the Dell download support site for the latest application installer (Monitor
Firmware Update Utility.exe) and refer to the Firmware Update Instruction
User’s Guide: www.dell.com/U4919DW
Common Problems
The following table contains general information about common monitor problems
you might encounter and the possible solutions:
Common
What You
Possible Solutions
Symptoms
Experience
No Video/
Power LED off
No picture
• Ensure that the video cable connecting the
monitor and the computer is properly
connected and secure.
• Verify that the power outlet is functioning
properly using any other electrical equipment.
• Ensure that the power button is pressed fully.
• Ensure that the correct input source is
No Video/
No picture or • Increase brightness & contrast controls via
Power LED on
no
OSD.
brightness
• Perform monitor self-test feature check.
• Check for bent or broken pins in the video
cable connector.
• Run the built-in diagnostics.
• Ensure that the correct input source is
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Poor Focus
Picture is
• Eliminate video extension cables.
fuzzy, blurry,
or ghosting
• Reset the monitor to factory settings.
• Change the video resolution to the correct
aspect ratio.
Shaky/Jittery
Video
Wavypicture • Reset the monitor to factory settings.
or fine
movement
• Check environmental factors.
• Relocate the monitor and test in another
room.
Missing Pixels
LCD screen • Cycle power On-Off.
has spots
• Pixel that is permanently Off is a natural
defect that can occur in LCD technology.
• For more information on Dell Monitor Quality
and Pixel Policy, see Dell Support site at:
Stuck-on Pixels LCD screen • Cycle power On-Off.
has bright
• Pixel that is permanently off is a natural
spots
defect that can occur in LCD technology.
• For more information on Dell Monitor Quality
and Pixel Policy, see Dell Support site at:
Brightness
Problems
Picture too
dim or too
bright
• Reset the monitor to factory settings.
• Adjust brightness & contrast controls via
OSD.
Geometric
Distortion
Screen not
centered
correctly
• Reset the monitor to factory settings.
• Adjust horizontal & vertical controls via OSD.
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Horizontal/
Vertical Lines
Screen has
one or more
lines
• Reset the monitor to factory settings.
• Perform monitor self-test feature check and
determine if these lines are also in self-test
mode.
• Check for bent or broken pins in the video
cable connector.
• Run the built-in diagnostics.
Synchronization Screen is
Problems scrambledor
• Reset the monitor to factory settings.
• Perform monitor self-test feature check to
determine if the scrambled screen appears in
self-test mode.
appears torn
• Check for bent or broken pins in the video
cable connector.
• Restart the computer in the safe mode.
Safety Related Visible signs • Do not perform any troubleshooting steps.
Issues
of smoke or
sparks
• Contact Dell immediately.
Intermittent
Problems
Monitor
malfunctions
on & off
• Ensure that the video cable connecting the
monitor to the computer is connected
properly and is secure.
• Reset the monitor to factory settings.
• Perform monitor self-test feature check to
determine if the intermittent problem occurs
in self-test mode.
Missing Color
Picture
• Perform monitor self-test feature check.
missing color
• Ensure that the video cable connecting the
monitor to the computer is connected
properly and is secure.
• Check for bent or broken pins in the video
cable connector.
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Wrong Color
Picture color • Change the settings of the Preset Modes in
not good
the Color menu OSD depending on the
application.
• Adjust R/G/B value under Custom Color in
Color menu OSD.
• Change the Input Color Format to PC RGB
or YPbPr in the Color menu OSD.
• Run the built-in diagnostics.
Image retention Faint
• Set the screen to turn off after a few minutes
of screen idle time. These can be adjusted in
Windows Power Options or Mac Energy Saver
setting.
from a static
image left on
shadowfrom
the static
the monitor for image
a long period of displayed
• Alternatively, use a dynamically changing
screensaver.
time
appears on
the screen
images leave
a trail of
shadow
menu.
images
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Troubleshooting
Product Specific Problems
Specific
What You
Possible Solutions
Symptoms
Experience
Screen image
is too small
Image is
• Check the Aspect Ratio setting in the
centered on
screen, but
does not fill
entireviewing
area
Display menu OSD.
• Reset the monitor to factory settings.
Cannot adjust OSD does not • Turn Off the monitor, unplug the power cord,
the monitor
with the
buttons on the
front panel
appear on the
screen
plug it back, and then turn On the monitor.
• Check whether the OSD menu is locked. If
yes, press and hold the Menu/function button
next to the Power button for 4 seconds to
No Input Signal No picture,
• Check the signal source. Ensure the computer
is not in the power saving mode by moving
the mouse or pressing any key on the
keyboard.
when user
controls are
pressed
the LED light
is white
• Check whether the signal cable is plugged in
properly. Re-plug the signal cable if
necessary.
• Reset the computer or video player.
The picture
does not fill
the entire
screen
The picture
cannot fill the
height or
width of the
screen
• Due to different video formats (aspect ratio)
of DVDs, the monitor may display in full
screen.
• Run the built-in diagnostics.
Troubleshooting
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8ꢀ 1
No Video, No
Display
No video
when
• Due to legacy platform cannot recognize or
output 5120 x 1440, we suggest to change
EDID to lower resolution to cover this
compatibility problem:
connecting
docking,
dongle or
Blu-ray DVD
players
1. Remove all input cables, press Buttons 3
and 4 for 5 seconds. (Please refer to
page 76 for button numbers)
2. Choose “Enable” on POP up screen to
change max resolution from 5120 x 1440 to
3840 x 1080.
Display image Not able to
at 5120 x 1440 select 5120 x
• Due to legacy platform HDMI 1.4 HW
bandwidth limitation, it can only support 5120
x 1440 @ 30 Hz.
@ 30 Hz at
HDMI port
1440 @ 60
Hz in Graphic
Control Panel
at HDMI Port
Monitor
displayed
Not able to
select 5120 x
• Due to legacy platform HW limitation, it does
not support 5120 x 1440.
image at 3840 1440 in
• To support 5120 x 1440 @ 60 Hz, check
whether the platform meet either one of the
following:
x 1080 @ 60
Hz
Graphic
Control Panel
1. DP1.2 or higher.
2. Type-C Alt Mode DP1.2 or higher.
3. HDMI 2.0.
Monitor
Not able to
• Intel has disabled 5K Mode Support in
Graphic Driver x.7584 onward, users should
install Windows Registry Patch, which
enables 5K Mode Support with Graphic Driver
x.7584. Go to https://www.dell.com/
support/home/us/en/04/product-
support/product/dell-u4919dw-monitor/
drivers to download the Registry Patch.
displays image select 5120 x
at 3840 x 1080 1440 @ 60
@ 60 Hz when Hz with: Intel
using Intel
Graphic Card
CPU Gen10
or lower, and
Intel Graphic
Driver x.7584
onward.
• Install/Re-install Intel Graphic driver before
x7584.
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T
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roubleshooting
Universal Serial Bus (USB) Specific Problems
Specific
What You
Possible Solutions
Symptoms
Experience
USB interface USB
is not working peripherals
are not
• Check that your monitor is turned On.
• Ensure USB Selection is set correctly in the
USB Selection menu.
working
• Reconnect the upstream cable to your
computer.
• Reconnect the USB peripherals (downstream
connector).
• Switch Off and then turn On the monitor
again.
• Reboot the computer.
• Some USB devices like external portable HDD
require higher electric current; connect the
device directly to the computer system.
• Disconnect one upstream USB cable when
using two upstream connections.
USB Type-C
port does not
supply power
USB
• Check that the connected device is compliant
with the USB-C specification. The USB Type-
C port supports USB 2.0 and an output of
90 W.
peripherals
can not be
charged
• Check that you use the USB Type-C cable
shipped with your monitor.
Troubleshooting
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83
High Speed
USB 3.0
interface is
slow
High Speed
USB 3.0
peripherals
working
slowly or not
working at all
• Check that your computer is USB 3.0-
capable.
• Some computers have USB 3.0, USB 2.0, and
USB 1.1 ports. Ensure that the correct USB
port is used.
• Reconnect the upstream cable to your
computer.
• Reconnect the USB peripherals (downstream
connector).
• Reboot the computer.
Wireless
Do not
• Increase the distance between the USB 3.0
peripherals and the wireless USB receiver.
mouse is not
working or
lagging
respond or
responds
slowly
• Position your wireless USB receiver as close
as possible to the wireless mouse.
• Use a USB-extender cable to position the
wireless USB receiver as far away as possible
from the USB 3.0 port.
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Troubleshooting
Appendix
WARNING: Safety Instructions
WARNING: Use of controls, adjustments, or procedures other than
those specified in this documentation may result in exposure to shock,
electrical hazards, and/or mechanical hazards.
For information on safety instructions, see the Safety, Environmental, and
Regulatory Information (SERI).
FCC Notices (U.S. Only) and Other Regulatory Information
For FCC notices and other regulatory information, see the regulatory compliance
Contact Dell
For customers in the United States, call 800-WWW-DELL (800-999-3355).
NOTE: If you do not have an active Internet connection, you can find
contact information on your purchase invoice, packing slip, bill, or Dell
product catalog.
Dell provides several online and telephone-based support and service
options. Availability varies by country and product, and some services may
not be available in your area.
EU product database for energy label and product information
sheet
Appendix
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