User Manual
Table Of Contents
- Safety instructions
- About your monitor
- Setting up the monitor
- Connecting the stand
- Using the tilt, swivel, and vertical extension
- Rotating the Display (C2422HE/C2722DE only)
- Configuring the display settings on your computer after rotation (C2422HE/C2722DE only)
- Operating the monitor webcam
- Connecting your monitor
- Dell Power Button Sync (DPBS)
- Organizing your cables
- Securing your monitor using Kensington lock (optional)
- Removing the monitor stand
- Wall mounting (Optional)
- Operating the monitor
- Troubleshooting
- Appendix
106 | Troubleshooting
Common Problems
The following table contains general information about common monitor problems you
might encounter and the possible solutions:
Common
Symptoms
What You
Experience
Possible Solutions
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 depressed
fully.
• Ensure that the correct input source is
selected in the Input Source menu.
No Video/
Power LED on
No picture or no
brightness
• Increase brightness and contrast controls via
OSD.
• 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
selected in the Input Source menu.
Missing Pixels LCD screen has
spots
• Cycle power on-off.
• 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:
https://www.dell.com/pixelguidelines.
Stuck-on Pixels LCD screen has
bright spots
• Cycle power On-Off.
• Pixel that is permanently off is a natural
defect
that can occur in LCD technology.
• For more information on Dell Monitor Quality
and PixelPolicy, see Dell Support site at:
https://www.dell.com/pixelguidelines.
Brightness
Problems
Picture too dim or
too bright
• Reset the monitor to factory settings.
• Adjust brightness and contrast controls via
OSD.