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User Manual BDL4211x
13
Common Problems
Symptoms Having this problem? Check these items
Brightness Problems
Picture too dim or too
bright.
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.
Geometric
Distortion
Screen not centered
correctly.
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.
Horizontal/Vertical
Lines
Screen has one or more
lines.
Auto adjust image through Menu > Image
Setting > Auto Adjust.
Adjust Phase and Clock controls via OSD
Perform the LCD Monitor self-test feature
check and determine if these lines are also in
self-test mode.
Check for bent or broken pins in the video
cable connector.
NOTE: When operating in DVI
mode, the Pixel Clock and
Phase adjustments are not
available.