Loud Fan / Sensor Problem Macbook Pro 15" A1211
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Author:  bbhh [ Tue Aug 16, 2011 1:41 pm ]
Post subject:  Loud Fan / Sensor Problem Macbook Pro 15" A1211

My Macbook Pro 15" A1211's fan has been running very loud. It's really annoying, it happens the moment you wake the computer.

I ran a diagnostic and I got error "4sns/1/40000000: TGOH" which is apparently a faulty sensor.

I'm interested in selling this computer but I'm in canada and there are no affordable options for repairing it. I'd like to fix it before I sell it. I think the part I need to replace is this: http://www.powerbookmedic.com/MacBook-Pro-15-Bottom-Case-Thermal-Sensor-p-20021.html.

Can anyone confirm this for me? Is this an easy fix? There are no support videos for it, I'd like to hear from anyone who has done it.


Author:  justin-pbmedic [ Wed Aug 17, 2011 9:34 am ]
Post subject:  Re: Loud Fan / Sensor Problem Macbook Pro 15" A1211

I'm not positive which sensor that error message is referring to. There are a few on your model. The sensors are the same, so you may just want to buy one and try replacing each sensor one at a time until you get it figured out.

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