Dell C6522QT - Page 66

66 | Troubleshooting
Common
Symptoms
What You
Experience
Possible Solutions
Stuck-on Pixels LCD screen has
bright spots
• Cycle power On-O.
• Pixel that is permanently o is a natural defect
that can occur in LCD technology.
• For more information on Dell Display Quality
and PixelPolicy, see Dell Support site at:
http://www.dell.com/support/monitors.
Brightness
Problems
Picture too dim
or too bright
• Reset the display to factory settings.
• Adjust brightness & contrast controls via OSD.
Audio problem
No Audio
• Check PC setting if the playback is correctly
selected.
• Checking other video cables.
• Ensure that the Speaker is enabled via OSD
Geometric
Distortion
Screen not
centered
correctly
• Reset the display to factory settings.
Synchronization
Problems
Screen is
scrambled or
appears torn
• Reset the display to factory settings.
• Perform display 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 safe mode.
Safety Related
Issues
Visible signs of
smoke or sparks
• Do not perform any troubleshooting steps.
• Contact Dell immediately.
Intermittent
Problems
Display
malfunctions on
& off
• Ensure that the video cable connecting the
display to the computer is connected properly
and is secure.
• Reset the display to factory settings.
• Perform display self-test feature check to
determine if the intermittent problem occurs in
self-test mode.