Common Problems - Dell 1800FP User Manual

Common Problems

The following table contains general information about common display problems you might encounter.
COMMON SYMPTOMS
No Video/ Power LED off
No Video/ Power LED on
Poor Focus
Shaky/Jittery Video
Missing Pixels
Stuck-on Pixels
Brightness Problems
Geometric Distortion
Horizontal/Vertical Lines
Sync Problems
LCD Scratched
WHAT YOU SEE
No picture, display's dead.
No picture or no brightness
Picture is fuzzy, blurry or
ghosting
Wavy picture or fine
movement
LCD screen has spots
LCD screen has bright spots
Picture too dim or too bright
Screen not centered correctly
Screen has one or more lines
Screen is scrambled or
appears torn
Screen has scratches or
smudges
POSSIBLE SOLUTIONS
Check connection integrity
Electric outlet verification
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
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
Push Auto key
Adjust Phase and Clock controls via OSD
Perform display reset
Cycle power on-off
These are some pixels that are permanently off
and is normal in LCD technology
Cycle power on-off
These are some pixels that are permanently on
and is normal in LCD technology
Perform display reset
Adjust brightness & contrast controls
Push Auto key
Adjust the centering controls
Perform display reset
Ensure display is in proper video mode
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
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"
Turn display off and clean the screen