Dell Alienware 25 Gaming AW2521HFL Alienware AW2521HFL Monitor Users Guide - Page 63

Common problems, The following table contains general information about common monitor

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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 Poor Focus Shaky/Jittery Video Missing Pixels Stuck-on Pixels What you experience No picture • • • • No picture or no • brightness • • • • Picture is fuzzy, • blurry, or • ghosting • Wavy picture or • fine movement • • LCD screen has • spots • • LCD screen has • bright spots • • Possible solutions 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. Increase brightness and contrast controls in the Display 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. Eliminate video extension cables. Reset the monitor to factory settings. Change the video resolution to the correct aspect ratio. Reset the monitor to factory settings. Check environmental factors. Relocate the monitor and test in another room. 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: www.dell.com/support/monitors. 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: www.dell.com/support/monitors. Troubleshooting | 63

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Troubleshooting
|
63
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
Display
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.
Missing Pixels
LCD screen has
spots
•
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:
www.dell.com/support/monitors
.
Stuck-on Pixels
LCD screen has
bright spots
•
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:
www.dell.com/support/monitors
.