Screen Issues - LG LM56 User Manual

Please make sure your TV power plug is correctly connected to the outlet.
If you are using a multi-outlet, check if it is working properly. To check whether a power
strip is working properly, plug the TV's power plug directly to a wall outlet and observe its
operation.
Try to power on using the button on your TV set.
The screen does not appear for some time after power-on.
This is because there is a noise-removal process to eliminate any possible noise that
may appear during power-on. This does not mean the product is defective.
I cannot turn the TV on with the remote control.
Please make sure your TV power plug is correctly connected to the outlet.
Replace the batteries in the remote control. (Use alkaline batteries.)
Check whether there are any obstacles in front of the TV's remote control sensor. Sound
bars or other obstacles placed in front of the TV's lower receiver may obstruct IR signal
reception.

Screen Issues

Screen Issues
If you experience any of the problems below while using the product, please check the
following: There may be no problem with the product.
First of all, perform a
the TV.
If you are using a set-top box, turn it off, and then turn it back on.
Make sure that the set-top box is correctly connected to your TV.
It says there is no signal on the screen.
Check whether the coaxial cable or the cable connected to the external device is properly
connected to the TV.
Go to to choose the connected input.
Check if your external device, such as set-top box or Blu-ray player, is turned on.
Picture Picture Test
99
for check any abnormalities in