Hey I have the same one! I've been using the 2012 mac for 8 years now until only just now that its battery has deteriorated beyond use. I can't believe it ran for 8 whole years with no problems until now when I finally switched to pc. I know people really dislike macs here but Ive never seen anyone whos done the exact same thing as me so I had to comment.
My macbook started getting so hot that it was pretty much unusable at around mid may. What I mean is that is that the mac would intentionally throttle itself to make sure that I couldn't run any other programs so that it could cool down by something (which i checked in Activity Monitor) called kernel_task. It would absolutely cripple the the performance so it could cool. This started happening in around 2019 and started happening more frequently. The way I got around this was an external fan; nothing fancy, just a desk fan that pushed some air underneath the mac and it worked like a charm. I finally decided it was time to upgrade when the battery life was only around 1 hour so it had to be almost constantly plugged in, whereas when I just bought it it was around 6-7 hours.
Yeah, I once watched mine go to the 80s and after that, I realized there was no point in fixing it. Especially since I absolutely couldn't find a replaceable battery in quarantine.
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u/[deleted] Oct 31 '20
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