Macbook air 3 beeps thermal paste

banjomaniac · Feb 25, 2017

Macbook air a1237 just get 3 beeps when booting. I disassembled it and after removing the heat sink found a huge amount of heat sink compound and that is probably what killed it. What can I do to fix it?

chemmajorp53 · Feb 25, 2017

I can almost guarantee that it's not the thermal paste that killed it. As backwards as Apple can be sometimes, they're not stupid enough to use conductive thermal paste. My guess would be that a transistor or capacitor on the motherboard fried, which is an easy fix if you can identify which one it is. Unfortunately, Apple doesn't release motherboard schematics or the tool to identify hardware issues to the public. You having to bring it to them to fix it is kind of their whole business model. There are some technicians that have these tools and schematics even though they're "technically" stolen from Apple. If you can, I'd take it to a 3rd party technician well known for fixing apple products because they might be able to help you, Apple themselves will just tell you to buy a new computer. I'd also recommend Louis Rossman's youtube videos, he makes some good content about how to fix apple products.

banjomaniac · Mar 10, 2017

Thanks chemmajorp53, I watched some of his videos and he us very knowledgeable. I got it to boot one time before I pulled it apart, just restarted it about 10 times and it booted but after trying to restart it went back to the 3 beeps. I might get my scope and try and scan for a bad part.

Banjomaniac

banjomaniac · Apr 9, 2017

Ok, after messing with this off and on I figured out that if I press power it chimes and then a couple seconds later the screen comes on and then approximately 10 seconds it starts to beep well it does that no matter how many times I reboot but if I hit power after about eight seconds before it starts to beep, the next time I hit power it will boot. I did this about 10 times in a row every time I stopped it before it beeps by hitting power the next time it will boot.

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