LG LGP769BK - Manual (Page 134)

132
Troubleshooting
Issue Possible causes Possible corrective measures
Files not
opening
Unsupported file
format
Check the file formats that can be
supported.
SD card
not
working
FAT16, FAT32 file
system supported
Check SD card file system via card
reader, or format SD card using the
phone.
The
screen
does not
turn on
when I
receive a
call.
Proximity sensor
problem
If you use any protection tape or case,
check to see if it has covered the area
around the proximity sensor. Make
sure that the area around the proximity
sensor is clean.
No sound Vibration mode
Check the settings status of the sound
menu to make sure you are not in
vibrate or silent mode.
Hang up
or freeze
Intermittent
software problem
Remove the battery, insert it again and
switch on the phone.
Try to perform a software update via
the website.
Phone
locked and
does not
function.
Restarting the
phone
Remove and reinstall the battery.
OR
Press and hold the Power/Lock Key
for 10 seconds to turn the device off.
Then power it back on.