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4
Carefully inspect the screen for abnormalities.
5
Press Button 4 on the front panel again. The color of the screen changes to red.
6
Inspect the display for any abnormalities.
7
Repeat steps 5 and 6 to inspect the display in green, blue, black, white, and text
screens.
The test is complete when the text screen appears. To exit, press Button 4 again.
If you do not detect any screen abnormalities upon using the built-in diagnostic tool,
the monitor is functioning properly. Check the video card and computer.
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
Safety Related
Issues
What You
Experience
No picture
• Ensure that the video cable connecting the
• Verify that the power outlet is functioning
• Ensure that the power button is depressed fully.
• Ensure that the correct input source is selected in
No picture or no
• Increase brightness & contrast controls via OSD.
brightness
• Perform monitor self-test feature check.
• Check for bent or broken pins in the video cable
• Run the built-in diagnostics.
• Ensure that the correct input source is selected in
LCD screen has
• Cycle power on-off.
spots
• Pixel that is permanently off is a natural defect
that canoccur in LCD technology.
• For more information on Dell Monitor Quality
and Pixel Policy, see Dell Support site at:
www.dell.com/support/monitors.
LCD screen has
• Cycle power On-Off.
bright spots
• Pixel that is permanently off is a natural defect
that canoccur in LCD technology.
• For more information on Dell Monitor Quality
and PixelPolicy, see Dell Support site at:
www.dell.com/support/monitors.
Picture too dim
• Reset the monitor to factory settings.
or too bright
• Adjust brightness & contrast controls via OSD.
Visible signs of
• Do not perform any troubleshooting steps.
smoke or sparks
• Contact Dell immediately.
Possible Solutions
monitor and the computer is properly connected
and secure.
properly using any other electrical equipment.
the
Input Source
menu.
connector.
the
Input Source
menu.
Troubleshooting
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