Common Problems
The following table contains general information about common display problems you might encounter.
COMMON SYMPTOMS
WHAT YOU SEE
POSSIBLE SOLUTIONS
No Video/ Power LED off
No picture, display’s dead.
Check connection integrity
Electric outlet verification
No Video/ Power LED on
No picture or no brightness
Increase brightness & contrast controls
Perform display self test feature check
Check for bent or broken pins on the signal
cable
Make sure the correct video input source is
selected
Poor Focus
Picture is fuzzy, blurry or
ghosting
Push Auto key
Adjust Phase and Clock controls via OSD
Eliminate video extension cables
Perform display reset
Decrease brightness & contrast controls
Lower video resolution or increase font size
Shaky/Jittery Video
Wavy picture or fine
movement
Push Auto key
Adjust Phase and Clock controls via OSD
Perform display reset
Missing Pixels
LCD screen has spots
Cycle power on-off
These are some pixels that are permanently off
and is normal in LCD technology
Stuck-on Pixels
LCD screen has bright spots
Cycle power on-off
These are some pixels that are permanently on
and is normal in LCD technology
Brightness Problems
Picture too dim or too bright
Perform display reset
Adjust brightness & contrast controls
Geometric Distortion
Screen not centered correctly
Push Auto key
Adjust the centering controls
Perform display reset
Ensure display is in proper video mode
Horizontal/Vertical Lines
Screen has one or more lines
Perform display reset
Adjust Phase and Clock controls via OSD
Push Auto key
Perform display self test feature check
Check for bent or broken pins
Sync Problems
Screen is scrambled or
appears torn
Adjust Phase and Clock controls via OSD
Push Auto key
Perform display self test feature check
Check for bent or broken pins
If using Microsoft® Windows®, boot up in the
"safe mode"
LCD Scratched
Screen has scratches or
smudges
Turn display off and clean the screen
