Dell U2421E Support and Manuals
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Dell U2421E Videos
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Popular Dell U2421E Manual Pages
Users Guide - Page 4
... lock function 43
Front‑panel button 46
Using the On-Screen Display (OSD) Menu 47
Accessing the menu system 47 OSD warning messages 57 Setting the maximum resolution 61
Troubleshooting 62
Self-test 62 Built-in diagnostics 63 Common Problems 64 Product specific problems 65 Universal Serial Bus (USB) specific problems 68
Appendix 70
FCC notices (U.S.
Users Guide - Page 7
... or provide a duplicate.
• Quick Setup Guide • Safety, Environmental, and Regulatory
Information • Factory Calibration Report
Product features
The Dell UltraSharp U2421E monitor has an active matrix, Thin-Film Transistor (TFT), Liquid Crystal Display (LCD), and LED backlight. The factory measurements from this new Dell U2421E UltraSharp monitor. Be assured of Accurate, Precise...
Users Guide - Page 9
...)
mm).
2 Regulatory label
Lists the regulatory approvals.
3 Stand release button
Releases stand from the monitor.
4 Power On/Off button
To turn the monitor on or off.
5 Joystick
Use it to contact Dell number, and Service Tag label for technical support. About your computer and access warranty information.
7 Cable-management slot
Use to identify the hardware...
Users Guide - Page 22
...monitor
NOTE: This LAN port is 1000Base-T IEEE 802.3az 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...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 34
..., and the USB Type-C cable from the OSD Menu on your monitor and then
turn on your monitor to the computer. 3. No image when using DP connection to the PC" to "product specific problems -
Please refer to change default setting. Select the correct input source from your computer. 2. NOTE: U2421E default setting is DisplayPort 1.4. Connecting your computer.
Users Guide - Page 36
..., the Dell U2421E monitor is designed to supply power delivery of up to 90 W to 90 W.
Rated power (on your monitor:
• Can be used as USB Type-C or DisplayPort 1.4, alternatively. • Supports USB Power Delivery (PD), with PowerDelivery)
Maximum charging power
45 W
45 W
65 W
65 W
90 W
90 W
130 W
Not supported
36 | Setting up the monitor Connecting the...
Users Guide - Page 37
... (MST) function
DP in
USB Type-C DP out
USB Type-C
NOTE: The maximum number of supported U2421E via MST is subjected to "product specific problems - Connecting the monitor for RJ45 Cable (Optional)
USB Type-C RJ45
USB Type-C
Setting up the monitor | 37 No image when using DP out connector. NOTE: Remove the rubber plug when using USB...
Users Guide - Page 49
or Custom Color from the list.
• Standard: Default Color setting, This monitor uses a low blue light panel, and is certified by TUV to ... you can choose Standard, Movie, Game, Color Temp. Press the joystick left and right buttons to manually adjust the color settings.
Operating the monitor | 49 Preset Modes When you select Preset Modes, you to adjust the Red, Green, and Blue...
Users Guide - Page 64
... is properly connected and secure.
• Verify that the power outlet is functioning properly using any troubleshooting steps. Picture too dim • Reset the monitor to factory settings.
Common Problems
The following table contains general information about common monitor problems you might encounter and the possible solutions:
Common Symptoms No Video/ Power LED off is a natural...
Users Guide - Page 66
...-C interface of device cannot support DP alternate mode.
• Set Windows to Projection mode. • Ensure that the USB Type-C cable is white
The picture cannot fill the height or width of
DVDs, the monitor may display in full screen. • Run the built-in properly. Problem
Cannot adjust the monitor with the buttons on...
Users Guide - Page 67
Problem...with the USB Type-C connection.
• Ensure that you use only Dell approved adapter or the adapter that comes with the product.
• ...install the latest graphics card driver.
• Some DP 1.1a graphics card cannot support DP 1.4 monitors. Troubleshooting | 67
Go to OSD menu, under Input Source selection, press and hold DP select key for 8 sec to change the monitor setting...
Users Guide - Page 68
... and drivers for your computer are not working are installed on your computer.
• Ensure that the RealTek Gigabit Ethernet Controller is set to the computer directly.
68 | Troubleshooting Re-connect both ends of the Ethernet cable if the LED is not lit.
• First power off the monitor and turn it is installed in the monitor...
Display Manager Users Guide - Page 5
..., a specific target monitor can be selected using the menu. Using the Quick Settings Dialog
Clicking Dell Display Manager's notification tray icon to adjust basic functions, configure auto mode and access other features. Using the Quick Settings Dialog | 5
When more than one supported Dell monitors are connected to call up the miniUI under the
mouse pointer. You can select Manual...
Display Manager Users Guide - Page 12
Applying Energy Conservation Features
On supported Dell models, an Options tab is activated.
12 | Applying Energy Conservation Features You can choose to set the monitor's brightness to the minimum level, or to put the monitor to sleep when the screensaver is available that provides PowerNap energy conservation options.
Quick Setup Guide - Page 1
... color inconsistency or inaccuracy when content is unable to Dell approved test procedures using calibrated equipment at the factory production line. Standard mode (sRGB)
Serial No. The factory measurements from this new Dell U2421E UltraSharp monitor. USB Type-C
DP
USB
4
USB Type-C
2 3
2
1
3
5
USB Type-C
2
6
© 2020 Dell Inc.
Please retain this Report for this very unit...
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