Why is there lines on my tv screen

For example, they require fixing the horizontal lines on the TV screen. It is the right time to know about the main causes horizontal lines on TV screen and start a step to fix such problem. There are two thin layers of the glass containing high-quality liquid crystal material between such layers in the LCD display screens on the TVs, monitors and notebooks. These lines are temporary because the faulty display connections and permanent due to the internal failure.

Horizontal, vertical, jagged and diagonal lines on the LCD screen indicate the panel damage. If you get a single set of horizontal lines across TV screen in recent times, then there is damage in the internal part, a loose internal video cable or a graphics system failure. All broken signals from graphics hardware or cables make impurities in the reproduction of the image on the screen. Note: There may be frequency related settings on the antenna that can be adjusted to improve its' performance.

Otherwise, you may consider replacing the antenna. Also, try to unplug the satellite receiver to clear its' memory, then plug it back in and try again. Poor quality on some channels may be an issue with the cable box's software, or the broadcast provider's signal. Try to unplug the cable box, then plug it back in and try again.

This will clear the cable box's memory. You may have an issue with your input device antenna, satellite receiver, or cable box , an issue with your cable used for that device, or an issue with the input board on the TV. First, try to use a different cable. This includes both the Coaxial cable that goes from the wall to the receiver or directly to the TV in the case of antenna , and the signal cable that goes from the receiver to the TV usually HDMI.

Since the other inputs are working properly, the issue is more likely to be related to the external device than the TV. If the issue persists after trying new cables and a new set-top box, your next step should be to have a professional repair technician diagnose the issue.

The picture shouldbe free of vertical or horizontal lines. Note: If the lines are present when viewing anapplication, then contact the vendor of that application. If the horizontal or vertical lines are still present, then substitute the cable if you have a replacement. If there placement cable resolves the issue, then no further action is required.

If the replacement cable did not resolve the horizontal or vertical lines, then proceed to the External Devices section. For an external device connected to the TV, verifyconnections and settings are not causing horizontal or verticallines.

Refer to the external deviceUser's Manual to adjust the picture format settings. Ryan is a Home Electronics expert and author of this help library article. Please leave him feedback below about the page. Shaking TV a little may solve the problem temporarily but you need to do some diagnostics to find out loose wire and fix it permanently.

Please note that to tighten the loose wiring, you may have to open up the TV and check for any loose cable and also check the T-Con board. Be extremely careful and read all instructions before you proceed with this step.

If you have confirmed that there are no loose wire connections inside the TV, then the issue might be due to the faulty T-Con board. You may have to replace it with the new one. So before doing it, please note down the brand, serial number and model of Television, which will help you in finding the correct T-Con board for it. Also please do check the warranty. You might get free service, if the TV is still in a warranty period. You can check the warranty for some famous brands below.