If the lines have gone, then try re-seating your HDMI and other cables one by one, until you find the damaged cable that needs replacing.īecause flat screen TV’s rely on a constant power supply, when there are fluctuations in voltage these can show up as vertical lines on screen. If they are, this means that your external connections are fine and the problem is located within the TV. Pull up the on-screen menu to see if the lines are still there. When you turn your TV on, this means the screen will be black as it is not receiving any picture, potentially making it tough to see any lines. You can also try removing all external devices, including those connected by Bluetooth and any coaxial or signal cables, so that the TV only has a power cable going into it.
Remove any HDMI or other physical cables connected to the back of your TV.There’s a strong possibility that a poorly seated HDMI cable is creating signal noise which is displaying on screen as vertical lines. Make sure that you hold down the physical power button on your TV, not the one on the remote.Īlthough this might seem a basic step, it’s surprising how often power cycling your TV will help to fix it. Leave your TV unplugged for at least 30 minutes.
Hold down the physical power button on your TV for at least 15 seconds to drain any residual power from the capacitors.Power cycling your TV will clear out any issues with non-permanent memory without losing your personal settings. With modern electronics, it’s possible that the vertical lines on your Vizio TV are caused by something stuck in your TV’s flash memory. We’ll start with the simpler fixes, as it’s always worth trying these, then move onto the move involved solutions. So, if your TV was purchased within the last year, or has an extended warranty, you are much better to contact Vizio’s service center before performing any of the more invasive fixes. Remember before you do anything, that removing your TV’s back panel is likely to void your warranty. Finally, open the back panel, clean the T-Con ribbon with a non-static duster and 99% isopropyl alcohol, and replace the T-Con board if the issue persists. Also try re-seating the HDMI and other cables. How to Fix Vertical Lines on Vizio TV Screenįirst power cycle your TV, unplugging it from the wall for 30 minutes and holding down the TV’s power button for 15 seconds, before plugging it back in.