You can remove the T-Con board yourself and replace it with a new one. If your T-Con board is faulty, the only solution is to repair or replace it. The T-Con or timing control card controls the timing of pixels displayed on the screen. Sometimes vertical lines on an LCD display could mean a damaged T-Con board. On a positive note, it allows you to start afresh. This is because it will erase all the data, including your settings. Resetting your TV to factory settings should be the last resort to consider. While you can go through all the settings one by one, consider resetting your device. That can cause many picture errors, including flickering lines on TV. In some cases, a TV fails to process a combination of image settings you have provided. Refer to your TV’s manual on how to update its software. Try fixing the issue by updating the software. An outdated software program can cause many problems like vertical lines, poor picture quality, or failure to install apps. If your console is in HDMI port 1, the source on your TV should be HDMI 1. For example, set the source on your TV to the same port you connected to your gaming console. In this case, refer to the external device’s user manual to adjust the picture format settings.Īlso, when connecting an external device, ensure the picture format settings match those of your device. Ideally, aspect ratio, screen resolution, and horizontal or vertical scan frequencies are settings that affect picture display on most TVs. You can get rid of a green line on a TV screen by checking the picture settings. Check the picture settings Image: pesagoto Try out a different device so that you can be sure that the specific device is the one causing the problem. If the device is defective, you will have to fix or replace it. External devices can include a Blu-ray player, gaming console, or set-top box. The lines can also occur if your external device is faulty. Verify that the picture format settings for your external device match the settings for your TV.Change the cords if you have a replacement.Check that you have secured all cables at both the external device and your TV.Check your cable connectionsĪ faulty cable or one you have not fastened securely to the input or output ports can disrupt the signal and cause vertical or horizontal lines. Once done, turn your TV ON and see whether you have fixed the issue. You can fix black vertical lines on a TV screen by simply power-cycling the device. Troubleshooting vertical lines on your TV screen But hardware problems require you to seek assistance from the device manufacturer or technician. Software issues are easy to troubleshoot. Understand that lines on a TV screen can either be a hardware or software issue. You can also try changing channels to determine whether the lines appear on all channels. Start by testing the picture, check your cable connections, and verify that your external devices are working well. When you see black vertical lines on your TV screen, the first step is to identify the primary cause of the problem. But another cause could be the picture does not fit the screen exactly. In other cases, it could mean you have not connected the HDMI cable well, or there is a poor connection between the processing board and the panel. When that happens, it means there is an underlying issue causing the problem.įor example, it could signal that the power supply is either failing or faulty. It is not common for a TV to display vertical lines.
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