Screen Freezes + colour distortion with Green/Pink lines, runs hot!

Hi,
so my computer has been running very hot recently and at first i though it was the battery, however it says it's in normal condition and has a cycle count of only 110. Then today when i went to go use one of my hot corners the screen froze and turned all grainy, producing green/pink lines all over the display. I tried force quitting and nothing work. I eventually just restarted it. This occurred two more times both while trying to stream videos online within the following two hours.
It basically looks like one of those really old computer video games when it freezes mid-action. All the images becomes distorted and the pixels are blurred, resulting in green and pink horizontal lines all over the display. During this however i am able to move my mouse, and my computer is also especially hot during all of this. While typing i have to move my palms aways every once and while because it gets too hot.
Any thoughts would be greatly appreciated? This has very nervous as i have a paper to write this weekend and i need my computer.
Thank-you very much:)

Welcome to Apple Discussions!
Check in Activity Monitor to see if you have some hung up process running amok and hogging the CPU, which would cause a lot of heat. If you find one, quit it and see if the problem goes away.
It's possible you have the NVIDIA problem:
http://support.apple.com/kb/TS2377
If so, the only cure will be to replace the logic board. Fortunately, under this program, it will be done at no cost to you.
Do you have access to an Apple Store? If so, there is a specific test they can run to diagnose this problem.
Also, run the extended version of the Apple Hardware test to be sure you don't have a problem with the fans or thermal sensors. If your fans are not working properly, it's possible that the graphics chip is getting too hot, resulting in the video distortion you are seeing.
In any event, this sounds like a hardware problem that you need to address with Apple as soon as possible.
Good luck!

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Screen Freezes + colour distortion with Green/Pink lines, runs hot!

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