Recently replaced dead GPU and now my iMac restarts seemingly randomly
My mid 2011 27 inch iMac had GPU problems which I solved with oven baking the card but came back three months later. I opted to buy a replacement GPU purchasing a 109-C29657-10. I noticed some small differences with the text on the card but I figured that was a newer revision of the card. Installation went well but after reassembly my iMac fails to stay powered long enough to boot to macOS. If I boot into recovery mode it can stay on for hours but the moment I try to boot into macOS it power cycles. I have taken it apart and put it back together multiple times. I am at a loss. Any help is appreciated thank you!
Update: Sadly purchased a bad GPU off ebay. Resorted to re-baking my old one and it fixed it for now.
Ist dies eine gute Frage?
10 Kommentare
Have you tried booting into safe mode?
Also did you make sure the gpu was compatible?
Thanks:-)
von HelloMacOS
@hellomacos I was never able to get into safe mode might been because I did a fresh install of High Sierra but cannot actually set the Mac up. As for compatibility I took the exact same part number is there a better way to check?
von Logan
@logan2001
Aslong as it’s supported through the machine it should work
von HelloMacOS
@hellomacos Yeah I believe the GPU is working fine, I just cannot stop the constant restarts.
von Logan
@logan2001
Have you tried reseating it in the computer?
von HelloMacOS
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