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What causes vertical lines on screen, some lines are thick and some are thin and appear over the task bar, they are across the entire screen.

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  • shebas Jul 29, 2009

    Thank you for answering. We had an electrical storm lastnight close by and that may have something to do with it. thanx again

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They are static lines. They can be caused by a variety of reasons, damage to your monitor, damage to your vid card (perhaps it was got a little too hot?), ive seen this issue also with overclocked, try resetting to defaults if so. Also try reinstalling/updating your current display drivers. If you have an integreated video card it could be that your motherboard got hot and perhaps damaged it. If you have a spare vid card or something else you can hook up to try, and it still has the static lines, then it is your monitor for sure.

Posted on Jul 29, 2009

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I have a westinghouse lcm-17v8, I have to turn brightness high to get rid of horizontal lines. Some times it would be just bright white when reboot computer. Turning it on and off a few times helps. Is it fixable or a gonner?

Posted on Jul 06, 2011

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Thin vertical line


What you have described is definitely some form of Electrical Interference. Interference can come from a variety of causes. Is the Cable Inputting the Cable Box close to some High Voltage Electrical Lines? Or Are you located near some Electrical Power Station? Or A Police station, where the Radio Transmitter of the Police Station causing the Interference? As I said, there are a variety of reasons. Also, Try to check if the connector is loose at the rear of the Cable Box, or at the rear of the TV. You will have to eliminate every possibility reason. Wish i could help further.

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