40
Troubleshooting
Common
What You
Possible Solutions
Symptoms
Experience
•
Reset the monitor to factory settings.
Brightness
Picture too dim •
Auto Adjust using OSD.
Problems
or too bright
•
Adjust brightness and contrast using
the OSD
D.
•
Reset the monitor to factory settings.
Screen not
Geometric
•
Auto Adjust using OSD.
centered
Distortion
•
Adjust horizontal and vertical positions using
correctly
OSD.
Horizontal/
Screen has one
Vertical Lines
or more lines
•
Reset the monitor to factory settings.
•
Perform Auto Adjust using OSD.
•
Adjust Phase and Pixel Clock using OSD.
•
Perform monitor self-test and determine if the
lines appear in the self-test mode.
•
Check for bent or broken pins on the
display cable and the ports.
•
Run the built-in diagnostics.
Screen is
Synchronization
scrambled or
Problems
appears torn
•
Reset the monitor to factory settings.
•
Perform Auto Adjust using OSD.
•
Adjust Phase and Pixel Clock using OSD.
•
Perform monitor self-test check to determine
if the problem appears in self-test mode.
•
Check for bent or broken pins on the
display cable and the ports.
•
Restart the computer in safe mode.
•
Make sure the display cable connecting
Intermittent
Problems
Monitor
malfunctions
on and off
the monitor to the computer is connected
properly and is secure.
•
Reset the monitor to factory settings.
•
Perform monitor self-test to determine if the
intermittent problem occurs in self-test mode.
•
Perform monitor self-test.
•
Make sure the display cable connecting
Missing Color
Picture missing
color
the monitor to the computer is connected
properly and is secure.
•
Check for bent or broken pins on the
display cable and the ports.
