LG 29UT55V Owner's Manual page 53

If the following symptoms occur, please carry out the checks and adjustments described below. There
may be no malfunction.
Operational problems
Cannot view certain programmes.
Adjust the location or orientation of the antenna.
Save the programmes you wish to view using Auto Tuning or Programme Edit.
There is a delay after the TV is switched on before the image is fully visible.
This is normal. Any delay is due to an image deletion process which cleans up image noise that may
occur when the TV is first switched on.
Image problems
Images from previous programme or other programmes linger or the screen displays annoying lines.
Adjusts the orientation of the antenna to the TV transmitter, or refer to the manual for instructions on
connecting the antenna.
Vibrating horizontal /vertical lines and fishnet patterns appear momentarily
Such a problem may happen when there is strong electronic interference. Turn off other electronic
devices such as mobile phones, power tools and other small electrical appliances.
The screen display freezes or does not work properly during a digital broadcast.
This may occur in case of a weak signal or unstable reception. Adjust the antenna orientation and cable
connections.
If the signal strength or quality is low on Manual Tuning, check with the TV station or administration office.
Digital broadcasting is not available even though the cable is connected.
Check with the cable operator providing your subscription and/or signal. (Depending on your
subscription, digital broadcasting may not be supported.)
The display is inactive or unclear when connected to an HDMI® source.
Check the HDMI® cable specifications. If your HDMI® cable is not genuine, images may fade in and out
or not be displayed properly.
Ensure that all cables are securely connected. When connections are not secure, images may not be
properly displayed.
Does not work with a USB storage device.
Verify that the USB device and cable is version 2.0 or higher.
CUSTOMIZING SETTINGS 53