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Common problems
The following table provides general information about common monitor problems you might
encounter and the possible solutions.
Issue
No Video/Power
LED off
No Video/Power
LED on
Missing pixels or
Stuck pixels
Brightness
Problems
Safety Related
Issues
Intermittent
Problems
40
|
Troubleshooting
Short
Possible solutions
description
No picture
• Ensure that the video cable connecting the monitor
• Verify that the power outlet is functioning properly
• Ensure that the power button is depressed fully.
• Ensure that the correct input source is selected in
• If current HDMI version is 2.0, switch to 1.4.
No picture or no
• Increase brightness and contrast controls through
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
• Power cycle. Turn the monitor and the computer
spots
• A pixel that is permanently off is a natural defect
• For more information about Dell Monitor Quality
Picture too dim
• Reset the monitor to factory settings.
or too bright
• Adjust brightness and contrast controls through
Visible signs of
• Do not perform any troubleshooting steps.
smoke or sparks
• Contact Dell immediately.
Monitor
• Ensure that the video cable connecting the monitor
malfunctions on
and off
• Reset the monitor to factory settings.
• Perform monitor self-test feature check to
and the computer is properly connected and secure.
using any other electrical equipment.
the
Input Source
menu.
the OSD.
port.
the
Input Source
menu.
off, and then turn it on again.
that can occur in LCD technology.
and Pixel Policy, see Dell Support site at:
www.dell.com/support/monitors.
OSD.
to the computer is connected properly and is
secure.
determine if the intermittent problem occurs in self-
test mode.
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