How to Fix Horizontal Lines on a TV Here are some things you can try to fix those lines appearing on your TV, starting with the easiest options to try. Knock or tap on the back of your TV.

Depending on the root cause of your TV's horizontal lines, you may be able to fix it. You can unplug and plug back in the potentially loosely connected wires responsible, or replace them entirely.

Ok, here's my setup. Regular Coaxial cable coming in the wall. It's split 1 for the cable modem, and 1 for the TV. The line goes directly to the VCR, which then goes to the TV. I'm getting ...

Depending on the root cause of your TV's horizontal lines, you may be able to fix it. You can unplug and plug back in the potentially loosely connected wires responsible, or replace them entirely.