Common problems – Dell SE2722H 27" 16:9 LCD Monitor User Manual
Page 59
Troubleshooting
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59
Common problems
The following table contains general information about common monitor problems
you might encounter and the possible solutions:
Common
Symptoms
Possible Solutions
No Video/Power
LED off
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.
• Ensure that the correct input source is selected via the
No Video/Power
LED on
• Increase brightness and contrast controls using the 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 via the
Poor Focus
• Eliminate video extension cables.
• Reset the monitor to Factory Settings
(
Factory Reset
).
• Change the video resolution to the correct aspect ratio.
Shaky/Jittery Video • Reset the monitor to Factory Settings
(
Factory Reset
).
• Check environmental factors.
• Relocate the monitor and test in another room.
Missing Pixels
• 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:
www.dell.com/pixelguidelines
.