Dell 24 Video Conferencing I C2422HE C2422HE Users Guide - Page 106

Common Problems, Common, Symptoms, What You, Experience, Possible Solutions

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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 No Video/ Power LED on Missing Pixels Stuck-on Pixels Brightness Problems What You Experience No picture No picture or no brightness LCD screen has spots LCD screen has bright spots Picture too dim or too bright Possible Solutions • 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. • 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. • 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. • 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. • Reset the monitor to factory settings. • Adjust brightness and contrast controls via OSD. 106 | Troubleshooting

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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.