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My GPU is running really hot

Last response: in Graphics & Displays
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February 13, 2012 1:34:47 AM

Hello, im running a ATI Mobility Radeon HD 5870 in my laptop and havnt had any issues for a year and a half on heat, but recently its been shutting down when i try to play any sort of games, so i suspected my GPU was overheating. I installed speedfan to get a temp. reading on it and its running right now (only this web site up and Speedfan) at 84 degrees! i just cleaned the vents, and currently im actually using my laptop WITHOUT the bottom piece on, so it is entirely exposed to the air, so airflow is NOT a problem. I am probably going to try repasting it tomorrow when i get some at radioshack, any other suggesting as to why im running so hot?

More about : gpu running hot

a c 109 U Graphics card
February 13, 2012 1:41:59 AM

Re apply thermal paste!!!
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a c 214 U Graphics card
February 13, 2012 1:54:46 AM

I would suspect it's dust clogging the vents but if you've cleaned it and it's still a problem then you probably need to replace the thermal paste.Although i'm not sure how you would go about doing that since it's a laptop.Make sure you don't void the Warranty.
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