LG -P768g User Manual page 283

Message Possible causes
The screen
does not
turn on
Proximity sensor problem
when I
receive a
call.
No sound Vibration mode
Hang up or Intermittent software
freeze problem
Possible corrective measures
If you use any protection tape or case,
check if it has covered the area around the
proximity sensor. Make sure that the area
around the proximity sensor is clean.
Check the settings sound menu to make sure
you are not in vibrate or silent mode.
Remove the battery, insert it again and switch
on the phone.
Try to perform a software update via the
website.
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