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Popular Dell U4021QW Manual Pages
Users Guide - Page 4
...) and other regulatory information . . . 80 Contacting Dell 80 EU product database for energy label and product information... messages 60 Setting the maximum resolution 64 Setting the KVM USB Switch 65 Setting the Auto KVM 68
Troubleshooting 70
Self-test 70 Built-in diagnostics 71 Common Problems 72 Product specific problems 74 Universal Serial Bus (USB) specific problems 78
Appendix ...
Users Guide - Page 8
... active area display (Measured diagonally) 5120 x 2160 (21:9) resolution, plus full-screen support for lower resolutions.
• Wide viewing angles with 98% DCI-P3. • ...(Hardware Solution) at factory reset/default setting model. • Decreases the level of ...network-
Product features
The Dell UltraSharp U4021QW Curved monitor has an active matrix, Thin-Film Transistor (TFT), Liquid ...
Users Guide - Page 10
...(100 mm Wall mount monitor using VESA-
For more information, see Operating the Monitor.
6 Mac address, Barcode, serial Refer to this label if you need to control the OSD menu. ...
5 Joystick
Use it to contact Dell number, and Service Tag label for technical support. The Service Tag is a unique alphanumeric identifier that enables Dell service technicians to identify the hardware components ...
Users Guide - Page 24
...3az compliant, supporting Mac Address (Printed on model label) Pass-thru, Wake-on-LAN (WOL) from standby mode (S3 only) and PXE Boot function, these 3 features depend on BIOS setting and OS ...
6 CT 13 GREEN
7 TD3 + 14 GREEN
Driver installation
Install the Realtek USB GBE Ethernet Controller Driver available for download at www.dell.com/support under the "Driver and download" section.
Users Guide - Page 50
NOTE: When you to manually adjust the color settings.
Press the joystick left and right buttons to adjust the Red, Green, and Blue ... Color Temp., Color Space or Custom Color from the list. Color Space Custom Color
Exit
• Standard: Default Color setting, This monitor uses a low blue light panel, and is sRGB.
UltraSharp 40 Monitor
Brightness/Contrast Input Source Color Display PIP...
Users Guide - Page 64
... not see 5120 x 2160 as an option, you are using a non-Dell computer (laptop or desktop): • Go to your computer manufacturer's support website and download the latest
graphic drivers. • Go to http://www.dell.com/support, enter your service tag, and download the
latest driver for the monitor: In Windows 7, Windows 8 or Windows 8.1:
1. For Windows...
Users Guide - Page 72
... Monitor Quality
and Pixel Policy, see Dell Support site at :
www.dell.com/pixelguidelines. Picture too dim • Reset the monitor to factory settings. smoke or sparks • Contact Dell immediately.
72 | Troubleshooting
No picture or no • Increase brightness and contrast controls via OSD. Common Problems
The following table contains general information about...
Users Guide - Page 74
...and hold Up or Down or Left or Right direction for button numbers) 2. Product specific problems
NOTE: ThunderboltTM is
too small
centered on
screen, but
does not fill
entire viewing
area...Check the Aspect Ratio setting in Diagnostics for 4 seconds . (Please refer to 3840 x 2160.
74 | Troubleshooting
Problem
What you experience
Screen image is Image is not supported Windows 7.
Users Guide - Page 75
...Troubleshooting | 75
port
Hz in Graphic • Switch to Windows 10. HDMI 2.0
Black screen on Black screen
Chrome OS @ after switch
HDMI port
on PBP mode
80/20
• Graphic Card Driver not able to support...Problem...setup menu @ BIOS setup
monitor
HDMI port
menu
Black screen on Windows 7
• Windows 7 not support. at 2560 x 1080 5120 x 2160 @ • Goto Display setting...
Users Guide - Page 76
... and Intel Graphic Driver x.7584 onward. DP1.2 or higher. 2.
HDMI 2.0.
• Intel Graphic Driver has disabled 5K Mode Support from V7584 to 7916.
• Install/Re-install Intel Graphic driver after v.7925 or ... more than 90 W power charging.
• ThunderboltTM interface of device cannot support DP alternate mode.
• Set Windows to
image at 3840 select 5120 x 2160 @ 60 Hz x 2160...
Users Guide - Page 77
Troubleshooting | 77
Problem
No... adaptor, it may not charge with the ThunderboltTM 3 connection.
• Ensure that you use only Dell approved adapter or the adapter that comes with the product.
• Ensure that the ThunderboltTM 4 (...monitor setting from DP 1.4 to . Download and install the latest graphics card driver.
• Some DP 1.2 graphics card cannot support DP 1.4 monitors.
Users Guide - Page 78
... the status LED of the Ethernet cable to confirm connectivity. Problem
What you experience
The LAN port is OS setting not functioning or cable
connection issue
Possible solutions
• Ensure that the latest BIOS and drivers for your computer are not working are installed on your computer.
• Ensure that the RealTek Gigabit Ethernet...
Display Manager Users Guide - Page 4
...the notification tray. Dell U4021QW - UltraSharp 40 Monitor
Brightness/Contrast
Input Source Color Display PIP/PBP USB Audio Menu Personalize
Display Info
DDC/CI
LCD Conditioning On
Firmware O
Service Tag
Reset Others
Factory Reset
Others
Exit
4 | Overview
Standard
NOTE: Dell Display Manager uses DDC/CI channel to manage a display or a group of automatic settings, energy management...
Display Manager Users Guide - Page 5
...features. You can select Manual Mode or Auto Mode, and the screen resolution can be changed.
Using the Quick Settings Dialog | 5
When more than one supported Dell displays are connected to the computer, a specific target display can be ... DDM UI
Control individual display in multiple display setup
Description
• Ctrl+Shift+D • Use Page Up/Page Down key or click on .
Display Manager Users Guide - Page 14
You can choose to set the display's brightness to the minimum level, or to put the display to sleep when the screensaver is available that provides PowerNap energy conservation options. Applying Energy Conservation Features
On supported Dell models, an Options tab is activated.
14 | Applying Energy Conservation Features
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