Troubleshooting - LG UB85 series Owner's Manual

TROUBLESHOOTING

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TROUBLESHOOTING
Problem
Cannot control the
TV with the remote
control.
No image display
and no sound is
produced.
The TV turns off
suddenly.
When connecting
to the PC (HDMI /
DVI), 'No signal' or
'Invalid Format' is
displayed.
Solution
yCheck the remote control sensor on the product and
try again.
yCheck if there is any obstacle between the product
and the remote control.
yCheck if the batteries are still working and properly
installed
( to , to ).
yCheck if the product is turned on.
yCheck if the power cord is connected to a wall outlet.
yCheck if there is a problem in the wall outlet by
connecting other products.
yCheck the power control settings. The power supply
may be interrupted.
yCheck if the Automatic Standby (Depending on
model) / Sleep Timer / Timer Power Off feature is
activated in the Timers settings.
yIf there is no signal while the TV is on, the TV will turn
off automatically after 15 minutes of inactivity.
yTurn the TV off/on using the remote control.
yReconnect the HDMI cable.
yRestart the PC with the TV on.