
Common Problems
The following table contains general information about common monitor problems you might encounter. 
COMMON
SYMPTOMS WHAT YOU
EXPERIENCE POSSIBLE SOLUTIONS
No Video/ Power
LED off No picture, monitor is
dead Check connection integrity at both ends of the video cable 
Electric outlet verification 
Ensure power button depressed fully
No Video/ Power
LED on No picture or no
brightness Increase 'Brightness' & 'Contrast' controls 
Perform monitor self-test feature check 
Check for bent or broken pins on the D-sub cable.
Poor Focus Picture is fuzzy, blurry
or ghosting Push 'Auto adjust' button 
Adjust 'Phase' and 'Clock' controls via OSD 
Eliminate video extension cables 
Perform monitor reset 
Lower video resolution or increase font size
Shaky/Jittery
Video Wavy picture or fine
movement Push 'Auto Adjust' button 
Adjust 'Phase' and 'Clock' controls via OSD 
Perform monitor reset 
Check environmental factors 
Relocate and test in other room
Missing Pixels LCD screen has spots Clean the LCD Screen, please refer to maintenance.
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 
Push 'Auto Adjust' button 
Adjust 'Brightness' & 'Contrast' controls 
Geometric
Distortion Screen not centered
correctly Perform monitor reset on "All Settings"
Push 'Auto-Adjust' button
Adjust the centering controls
Ensure monitor is in proper video mode, please refer to preset display
modes.
Horizontal/Vertical
Lines Screen has one or more
lines Perform monitor reset 
Push 'Auto Adjust' button 
Adjust 'Phase' and '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 on the D-sub cable.
Sync Problems Screen is scrambled or
appears torn Perform monitor reset 
Push 'Auto Adjust' button 
Adjust 'Phase' and '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 on the D-sub cable.
Boot up in the 'Safe mode'