glitches and lines of pixel noise, deficient video playback

I´m getting lines of colored pixels when temperatures reaches more than 50C. Temperature goes even more, up to 70C with more demanding applications.

I get these lines all the time, with Firefox or any other internet application.

Overheating is also affecting Video playback and even worst, its simply crashes.

Some people says that is a problem with the video card affected by overheating.

Any ideas?

thanks a lot

Answered! View the answer I have this problem too

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Last 3 letters of the Serial number (system) are VWW

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Apple MacBook Pro "Core Duo" 2.0 15" Specs

Identifiers: MacBook Pro - MA464LL/A* - MacBookPro1,1 - A1150 - N/A

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sorry for the late post. I did apply new thermal past in May, but unfortunately, problem was the video card, it is burned, nothing else to do...I get another mac.

Thanks again

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Hook it up to an external monitor and see if the problem persists. This may be a bad Nvidia chip and Apple will replace the logic board for free. Please give us the last three letters of your serial number.

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Please wait on accepting my answer till we know the solution

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You do not have the Nvidia GPU. Go ahead with the external monitor test. Do you only get the lines when it starts overheating?

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Yes, its starts with overheating. I´ll try to do the test tomorrow on a friends monitor, I ´ll be posting after that. Thanks!

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but it reach 50C so easily, that i´m using smcFan Control at 4000 rpm, that leave temperature at 45 to 50C, I can work longer, but the problem is still there, and still getting lines and still crashes.

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It's time to open it up and clean it out and replace the thermal paste and blow out the fans and vents. Here's how to get to it: MacBook Pro 15" Core Duo Model A1150 Heat Sink Replacement

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reset will be eternally grateful.
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