Apple Hardware Test Failure Code:4SNS/1/40000000:TGOP-82.125

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MacBook Pro 15英寸配备 Retina 显示屏

Apple 发布了 MacBook Pro 15 寸配备 Retina 显示屏，拥有 2880 x 1800 分辨率。

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Wolfi @wolfi29221

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发帖于: 2015年7月5日

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Apple Hardware Test Failure Code:4SNS/1/40000000:TGOP-82.125

Hello,

I have been struggling with a really laggy Macbook pro. I did a clean install of Mavericks, in hopes to resolve it, but no such luck. My problems have worsened. It doesn't play videos properly anymore and is overheating.

I ran the "Apple Harware Test" and got a failure notice, saying : 4SNS/1/40000000:TGOP-82.125

I tried finding this mistake online, but no such luck either.

It also tried using Disk utilities and verify the permissions of my HD, and could only find a minor bug, due to the fact that my printer isn't set up yet...

Please help.

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zzz @zzz30021 声誉积分: 7.6千 zzz 13 22 11 · Answer 1 · 2015-07-05T20:03:27-07:00

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zzz @zzz30021

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What is the 820 number of your logic board? 820-3332 or 820-3787? It will be written on the board.

A few potential issues here.

a) Your machine is actually overheating because it is filled with dust. All Apple laptops and iMacs are designed in a way that allows dust to enter, but not to escape. Every machine on earth will eventually get clogged with dust, but Apples far worse than a Thinkpad for example. The retina is really really bad with it. Open it up and clean it, I am sure there will be a mountain of crap in there if this is the 2012 model.

b) On 820-3332 board, tin whiskers growing on Q5501 and Q5503 on the motherboard. If it is not actually overheating, it could think it is overheating due to sensor flaw, and tin whsikers on those are not uncommon. Check U5550 area as well.

My guess is on dust. Blow out the dust, clean up the fans, and you should be good to go. Extra points if you replace Apple's junk shin etsu thermal paste with some Tuniq TX-4, this will go back to being a beast in no time.

Good luck!

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4SNS - indicates a system sensor is not happy. TGOP - indicates it is the GPU temperature.

由 ABCellars 完成的 2016年3月11日

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