86 | 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
in the
Brightness/Contrast menu.
• 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.
Poor focus Picture is fuzzy,
blurry, or
ghosting
• Eliminate video extension cables.
• Reset the monitor to factory settings.
• Change the video resolution to the
correct aspect ratio.
Shaky/jittery
video
Wavy picture or
fine movement
• Reset the monitor to factory settings.
• Check environmental factors.
• Relocate the monitor and test in another
room.
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