Troubleshooting - LG 55UR772V9UC Owner's Manual

Selects menus or options and
confirms your input.
(Back) Returns to the previous screen.
Accesses the quick settings.
Clears all on-screen displays and returns to TV
viewing.
These access special functions in
some menus.
, , , , Control buttons for media contents
Feature can only be enabled or disabled by
installer menu settings. Configuration of this feature
is not supported on TV remote control.
, , ,
functional.
Used for viewing 3D video. (For 3D models)
• Do not mix new batteries with old batteries.
This may cause the batteries to overheat
and leak.
• Failure to match the correct polarities of
the battery may cause the battery to burst
or leak, resulting in fire, personal injury, or
ambient pollution.
• This apparatus uses batteries. In your
community there might be regulations
that require you to dispose of these
batteries properly due to environmental
considerations. Please contact your
local authorities for disposal or recycling
information.
• Batteries inside or inside the product shall
not be exposed to excessive heat such as
sunshine, fire or the like.
18
, Not

Troubleshooting

The software may be updated for improvement in
performance. The customer is responsible to ensure
the compatibility of their equipment with any LG
Electronics software. If needed, please consult with
LG Electronics and update new software versions
according to the guidance provided by LG Electronics.
• Cannot control the TV with the remote control.
- Check if anything such as tape has been placed
over the receiver.
- Check if there is any obstacle between the
product and the remote control.
- Replace the batteries with new fresh ones.
• No image display and no sound is produced.
- Check if the product is turned on.
- Check if the power cord is connected to a wall
outlet.
- Check if there is a problem in the wall outlet by
connecting other products.
• The TV turns off suddenly.
- Check the power control settings. The power
supply may be interrupted.
- Check if the auto-off function is activated on the
settings related time.
- If there is no signal while the TV is on, the TV
will turn off automatically after 15 minutes of
inactivity.
• When connecting to the PC (HDMI), no signal is
detected.
- Turn the TV off/on using the remote control.
- Reconnect the HDMI cable.
- Restart the PC with the TV on.