Troubleshooting - LG 40UF77 series Owner's Manual

Precautions to take when using the
magic remote
Use the remote control within the speci ed range (within 10 m).
You may experience communication failures when using the device
outside the coverage area or if there are obstacles within the
coverage area.
You may experience communication failures depending on the
accessories.
Devices such as a microwave oven and wireless LAN operate in the
same frequency band (2.4 GHz) as the Magic Remote. This may
cause communication failures.
The Magic Remote may not work properly if a wireless router (AP)
is within 1 meter of the TV.
Your wireless router should be more than 1 m away from the TV.
Do not disassemble or heat the battery.
Do not drop the battery. Avoid extreme shocks to the battery.
Inserting the battery in the wrong way may result in explosion.
Licenses
Supported licenses may di er by model. For more information about
licenses, visit www.lg.com.
notice information
To obtain the source code under GPL, LGPL, MPL, and other open source
licenses, that is contained in this product, please visit http://opensource.
lge.com.
In addition to the source code, all referred license terms, warranty
disclaimers and copyright notices are available for download.
LG Electronics will also provide open source code to you on CD-ROM
for a charge covering the cost of performing such distribution (such
as the cost of media, shipping, and handling) upon email request to
opensource@lge.com. This o er is valid for three (3) years from the date
on which you purchased the product.

Troubleshooting

Cannot control the TV with the remote control.
Check the remote control sensor on the product and try again.
Check if there is any obstacle between the product and the remote
control.
Check if the batteries are still working and properly installed (
, to ).
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 o suddenly.
Check the power control settings. The power supply may be
interrupted.
Automatic Standby
Check if the
Timer Timer Power Off tivated in the Timers
If there is no signal while the TV is on, the TV will turn o
automatically after 15 minutes of inactivity.
When connecting to the PC (HDMI), 'No signal' or 'Invalid Format' is
displayed.
Turn the TV o /on using the remote control.
Reconnect the HDMI cable.
Restart the PC with the TV on.
to
Sleep
.