Philips BDL4221V User Manual page 47

Troubleshooting
Shaky/Jittery Video
Missing Pixels
Stuck-on Pixels
Brightness Problems
Geometric Distortion
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Wavy picture or
fine movement
LCD screen has
spots
LCD screen has
bright spots
Picture too dim or
too bright
Screen not
centered correctly
Auto adjust image through Menu -> Image
Setting -> Auto Adjust
Adjust Phase and Clock controls via OSD
Perform the LCD Monitor factory reset (via
Menu -> Factory Reset -> All Settings)
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 the LCD Monitor factory reset (via
Menu -> Factory Reset -> All Settings)
Auto adjust image through Menu -> Image
Setting -> Auto Adjust
Adjust brightness & contrast controls
Note: When operating in DVI mode, the
contrast adjustment is not available.
Perform the LCD Monitor reset on "Position
Settings Only"
Auto adjust image through Menu -> Image
Setting -> Auto Adjust
Adjust the centering controls
Ensure the LCD Monitor is in proper video
mode
Note: When operating in DVI mode, the
positioning adjustments are not
available.