Alienware AW5520QF, User Manual

Page: 72 / 75

72 | 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.
Wrong Color Picture color not
good • Change the settings of the Preset Modes in the
Game menu OSD depending on the application.
• Adjust Gain / Offset / Hue / Saturation value
under Custom Color in the Game menu OSD.
• Run the built-in diagnostics.