Hi good fox. Kindly help am very stressed and frastreted . My A1311 apple Mac 21.5N when i plug I plug in the power cable and switch it on, it only displays white screen without log and then turns off in few seconds . Please help what must I do as am getting loaded with work . Ramy .s
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@ramy123 - Well darn, The GPU failed, Apple had some faulty GPUs in the 21.5 & 27" Mid 2011-iMacs, MacBook Pros, and Mac Minis.
You would need to buy a new MXM GPU and Replace it,
Keep in mind It Can be very tedious, You won't get a boot screen unfortunately. ;-[
Guide: iMac Intel 21.5" EMC 2428 GPU Heat Sink Replacement
Part: MXM GPU
(Please note: It will fail again!)
Good Luck!
Feel free to comment if you have any questions.
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