Missing Pixels LCD screen
has spots
Cycle power on-off
These are pixels that are permanently off and is a natural defect that occurs in LCD technology
Stuck-on Pixels LCD screen
has bright
spots
Cycle power on-off
These are pixels that are permanently on and is a natural defect that occurs in LCD technology
Brightness
Problems
Picture too
dim or too
bright
Perform monitor reset on "Factory Reset"
Auto Adjust via OSD
Adjust brightness & contrast controls via OSD
NOTE: When using '2: DVI-D', the contrast adjustment is not available.
Geometric
Distortion
Screen not
centered
correctly
Perform monitor reset on "Display Reset"
Auto Adjust via OSD
Adjust brightness & contrast controls via OSD
Ensure monitor is in proper video mode
NOTE: When using '2: DVI-D', the positioning adjustments are not available.
Horizontal/Vertical
Lines
Screen has
one or more
lines
Perform monitor reset on "Display Reset"
Auto Adjust via OSD
Adjust Phase and Pixel Clock controls via OSD
Perform monitor self-test feature check and determine if these lines are also in self-test mode
Check for bent or broken pins
NOTE: When using '2: DVI-D', the Pixel Clock and Phase adjustments are not available.
Sync Problems Screen is
scrambled or
appears torn
Perform monitor reset on "Display Reset"
Auto Adjust via OSD
Adjust Phase and Pixel Clock controls via OSD
Perform monitor self-test feature check to determine if scrambled screen appears in self-test mode
Check for bent or broken pins
Boot up in the "safe mode"
LCD Scratched Screen has
scratches or
smudges
Turn monitor off and clean the screen
For cleaning instruction, see Caring for Your Monitor.
Safety Related
Issues
Visible signs
of smoke or
sparks
Do not perform any troubleshooting steps
Monitor needs to be replaced
Intermittent
Problems
Monitor
malfunctions
on & off
Ensure monitor is in proper video mode
Ensure video cable connection to computer and to the flat panel is secure
Perform monitor reset on "Factory Reset"
Perform monitor self-test feature check to determine if the intermittent problem occurs in self-test mode
Missing Color Picture Perform monitor self-test feature check
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