The iMac is Apple's line of all-in-one desktop computers.

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How many degrees C is ok on the GPU?


I just fixed an early 2010 iMac aluminium with a new graphic card and i'm just curious how high temperature it's safe to run the GPU?

When i boot i will get around 45c on "graphics processor chip1" and now it's up on 69c ..

And, will the mac shut down if the GPU getting to hot?

Best Regards


Answered! View the answer I have this problem too

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69C is abnormally hot for a chip that is just idle. I would open up the computer and check for dust/debris blocking the airflow through the computer. Also, replace the thermal paste on the GPU if possible. My desktop PC has a Radeon HD4870X2 (A notoriously hot card) which barely breaks 70C under full load, so something is definently wrong. Your computer should shut down if it detects that it is overheating.

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