LG

LG Television Troubleshooting

4 error codes with step-by-step fixes, safety warnings, and Amazon tool links.

All error codes

Black Screen

LG TV powers on (standby LED turns off or changes colour, you may hear the WebOS startup chime) but the screen remains completely black.

15 min · skill: beginner

Flickering

LG TV screen flickers — the image rapidly brightens and dims, horizontal bands scroll across the display, or the picture flashes on and off intermittently.

10 min · skill: beginner

No Signal

LG TV displays 'No Signal' on the selected input.

10 min · skill: beginner

Won't Turn On

LG TV does not respond to the Magic Remote or physical power button.

10 min · skill: beginner