Dell Alienware 25 Gaming AW2521HFL Alienware AW2521HFL Monitor Users Guide - Page 64

Display, Contact Dell, Missing Color

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Brightness Problems Picture too dim or too bright • Reset the monitor to factory settings. • Adjust brightness and contrast controls in the Display menu. Geometric Distortion Screen not centered correctly • Reset the monitor to factory settings. Horizontal/ Vertical Lines Screen has one or more lines • Reset the monitor to factory settings. • Perform monitor self-test feature check and determine if these lines are also in self-test mode. • Check for bent or broken pins in the video cable connector. • Run the built-in diagnostics. Synchronization Screen is Problems scrambled or appears torn • Reset the monitor to factory settings. • Perform monitor self-test feature check to determine if the scrambled screen appears in self-test mode. • Check for bent or broken pins in the video cable connector. • Restart the computer in the safe mode. Safety Related Visible signs of • Do not perform any troubleshooting steps. Issues smoke or sparks • Contact Dell immediately. Intermittent Problems Monitor • Ensure that the video cable connecting the malfunctions on monitor to the computer is connected properly & off and is secure. • Reset the monitor to factory settings. • Perform monitor self-test feature check to determine if the intermittent problem occurs in self-test mode. Missing Color Picture missing color • Perform monitor self-test feature check. • Ensure that the video cable connecting the monitor to the computer is connected properly and is secure. • Check for bent or broken pins in the video cable connector. 64 | Troubleshooting

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Troubleshooting
Brightness
Problems
Picture too dim
or too bright
•
Reset the monitor to factory settings.
•
Adjust brightness and contrast controls in the
Display
menu.
Geometric
Distortion
Screen not
centered
correctly
•
Reset the monitor to factory settings.
Horizontal/
Vertical Lines
Screen has one
or more lines
•
Reset the monitor to factory settings.
•
Perform monitor self-test feature check and
determine if these lines are also in self-test mode.
•
Check for bent or broken pins in the video cable
connector.
•
Run the built-in diagnostics.
Synchronization
Problems
Screen is
scrambled or
appears torn
•
Reset the monitor to factory settings.
•
Perform monitor self-test feature check to
determine if the scrambled screen appears in
self-test mode.
•
Check for bent or broken pins in the video cable
connector.
•
Restart the computer in the
safe mode
.
Safety Related
Issues
Visible signs of
smoke or sparks
•
Do not perform any troubleshooting steps.
•
Contact Dell
immediately.
Intermittent
Problems
Monitor
malfunctions on
& off
•
Ensure that the video cable connecting the
monitor to the computer is connected properly
and is secure.
•
Reset the monitor to factory settings.
•
Perform monitor self-test feature check to
determine if the intermittent problem occurs in
self-test mode.
Missing Color
Picture missing
color
•
Perform monitor self-test feature check.
•
Ensure that the video cable connecting the
monitor to the computer is connected properly
and is secure.
•
Check for bent or broken pins in the video cable
connector.