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User Manual BDL4211x
14
Common Problems
Symptoms Having this problem? Check these items
Sync Problems
Screen is scrambled or
appears torn.
Perform the LCD Monitor reset.
Push Auto Adjust button.
Adjust Phase and Clock controls via OSD.
Perform the LCD Monitor self-test feature
check to determine if scrambled screen
appears in self-test mode.
Check for bent or broken pins.
Boot up in the "safe mode".
LCD Scratched
Screen has scratches or
smudges.
Turn the LCD Monitor off and clean the
screen.
Safety Related Issues
Visible signs of smoke or
sparks.
Do not perform any troubleshooting steps
The LCD Monitor needs to be replaced.
Intermittent
Problems
The LCD Monitor
malfunctions on & off.
Ensure the LCD Monitor is in proper video
mode.
Ensure video cable connection between
computer and the LCD Monitor is secured.
Perform the LCD Monitor factory reset (via
Menu > Factory Reset > All Settings).
Perform the LCD Monitor self-test feature
check to determine if the intermittent
problem occurs in self-test mode.
Audio Problems
No sound.
No sound output when an
input signal with sound
and external speakers are
connected was playing.
Ensure that the audio cables are firmly
connected to both the audio input
connectors on your the LCD Monitor and
audio output connectors on your PC or
Video player.
Video Problems
No Video.
No signal indicator is
displayed.
Check Video Input Selection:
• Composite: Yellow colored RCA jack.
• S-Video: Typically a round 4 pin jack
• Component: Typically 3 RCA jacks of
Green, Red and Blue.
Make sure you did not plug the video cable
to video output port behind the LCD
Monitor.
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