Common Problems - Dell W2300 User Manual

Common Problems

The following table contains general information about common LCD TV problems you might encounter.
COMMON WHAT YOU EXPERIENCE
SYMPTOMS
No Video/ Power LED No picture, LCD TV is dead
off
No Video/ Power LED No picture or no brightness
on
Poor Focus Picture is fuzzy, blurry or
ghosting
Shaky/Jittery Video Wavy picture or fine movement
Missing Pixels LCD screen has spots
Stuck-on Pixels LCD screen has bright spots
Brightness Problems Picture too dim or too bright
Geometric Distortion Screen not centered correctly
Horizontal/Vertical Screen has one or more lines
Lines
LCD TV is in a power save mode (in PC mode).
The main OSD menu is unlocked.
The main OSD menu is locked.
Check connection integrity at both ends of the video cable
Electric outlet verification
Ensure power button depressed fully
Increase brightness & contrast controls
Perform LCD TV self-test feature check
Check for bent or broken pins
Push Auto adjust button
Adjust Phase and Clock controls via OSD
Eliminate video extension cables
Perform LCD TV reset
Lower video resolution or increase font size
Push Auto Adjust button
Adjust Phase and Clock controls via OSD
Perform LCD TV reset
Check environmental factors
Relocate and test in other room
Cycle power on-off
These are pixels that are permanently off and is a natural defect that occurs in LCD
technology
Cycle power on-off
These are pixels that are permanently on and is a natural defect that occurs in LCD
technology
Perform LCD TV reset
Push Auto Adjust button
Adjust brightness & contrast controls
Perform LCD TV reset on "Position Settings Only"
Push auto-adjust button
Adjust the centering controls
Ensure LCD TV is in proper video mode
Note: When operating in DVI mode, the positioning adjustments are not available.
Perform LCD TV reset
Push Auto Adjust button
Adjust Phase and Clock controls via OSD
Perform LCD TV self-test feature check and determine if these lines are also in self-test mode
POSSIBLE SOLUTIONS