iMac keeps restarting and screen errors?

Question

iMac Intel 27" EMC 2429

Model A1312 / Mid 2011 / 2.7 & 3.1 GHz Core i5 or 3.4 GHz Core i7 Processor, ID iMac12,2

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Please could someone provide some guidance on what’s wrong and needs to be replaced in my Mac.

One minute it’s working fine with no problems. I then either get screen flicker/black screen/blue screen. It sometimes then restarts itself?

Sometimes too it just keeps restarting When it’s on the Apple screen and never reach the desktop.

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是否

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score 1 · Answer 1 · 2019-09-28T16:37:51-07:00

最有帮助的答案

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On this model your most probable issue is a GPU failure. This is a very well know issue on this model.

Apple had a repair program on it (now expired)

Here’s a video on replacing it:

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是否

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