Alienware AW3821DW 37.5" 1600p 144 Hz Curved Gaming Monitor - Manual (Page 65)

Troubleshooting | 65
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.