MacBook air mid-2012 randomly turning off
My laptop had a coffee spill some time ago.
From that moment, it has been extensively cleaned and it worked if connected to the DC. The battery didn't charge.
I changed the battery, nothing changed. It means the battery was new but it didn't charge.
I brought for reparation were in theory (I cannot get an explanation of what exactly they did, incredible) they replaced that chip (ISL6258A) that some user here referred to fix this issue (I've found it, it's here MacBook Pro battery not charging after spilling liquid on it?).
Then it charged well and everything looked fine, until it has started to shutdown randomly when using the battery. AND THEN I remember that before the coffee spill it started to do this, so this is an old problem.
Then, I have the mac opened and I was expecting to see the connection somehow loose (the cable that connects the battery). But it is not. It looks perfectly fine. Then, I see the 286JB, which I guess it is a suspect for this issue (no idea of what it is, but it is the first box next to the battery cable). The truth is that I have no idea, and that having a laptop in this state is quite useless.
Do you guys have any idea?
Thx,
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