How to fix LG 55UB820T remote not working?
If your LG LED TV isn't responding to the remote, first, ensure there's nothing blocking the path between the remote and the TV's sensor. Then, check the batteries in the remote to make sure they're working and properly installed.
Why does my LG 55UB820T LED TV turn off by itself?
If your LG LED TV suddenly turns off, check your power control settings, as the power supply might be interrupted. Also, verify if the Sleep Timer or Off Time is activated in the TIME settings. If the TV is on but not receiving a signal, it will automatically turn off after 15 minutes of inactivity.
Why is there no picture or sound on my LG LED TV?
If your LG LED TV has no image and no sound, first, check to ensure that the TV is turned on. Next, verify that the power cord is securely connected to a working wall outlet. You can test the outlet by plugging in another device to see if it works.
What to do if LG 55UB820T LED TV says no signal from PC?
If your LG LED TV shows ‘No signal’ or ‘Invalid Format’ when connected to a PC via HDMI / DVI, try turning the TV off and then on again using the remote control. If that doesn't work, try reconnecting the HDMI cable. As a final step, restart your PC while the TV is powered on.
General| Screen Size | 55 inches |
|---|---|
| Resolution | 3840 x 2160 |
| Display Type | LED |
| Smart TV | Yes |
| HDMI Ports | 3 |
| USB Ports | 3 |
| Wi-Fi | Yes |
| Audio Output | 20W |
| Refresh Rate | 100 Hz |
| 3D | Yes |
| Operating System | webOS |
| Bluetooth | No |
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