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Orijinal gönderinin sahibi: Kevin ,

Metin:

Many many thanks for your research into this subject.

I've just replaced the heatsink in my iMac and the GPU is now running at the right temperature.

My heatsink had a split in it causing the GPU temperature to go up and up. After a few minutes, the screen went black. Simply swapping the heatsink for a replacement fixes the problem. No new GPU required.

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