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irock101

macrumors 6502
Original poster
Jul 26, 2011
371
70
Hi,
I bought a 'maxed out' MBA 2020 on Monday. Woke up this morning, used it a bit.. went to the kitchen, came back and it's a black screen.
MBA shut itself off. It's on power supply so battery can't be empty.
Tried PRAM reset, boot in safe mode but nothing.
When I plug in the power supply cable it doesn't make the 'charging' sound either. It feels completely dead.

Any idea how I can get it back to life before I return it to the store?
 
Did you by chance install the supplemental update to Catalina 10.15.4? There are reports that the update has bricked some MacBook Air 2020 models and others.
 
This is going to be the butterfly keyboard of this MacBook Air generation. Because the cpu has no active cooling, it overheats and cooks itself, just like in 2015 12 inch MacBook, which had now active cooling at all. At least the new air has a fan to help vent out the case, but it really doesn't do anything. I would recommend that on your new computer you download a handy tool called Macs Fan Control, and monitor how hot you cpu temps actually get. A good operating temp would be about 60 degrees C, with under heavy load it reaching the 70/80's, and it should never get to 90 or 100. I hope that helps keep your MacBook Air running for many years to come, and I am sorry if there are any typos, it is very late at night.
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I forgot to include that I think it is very weird how quickly the problem surfaced
 
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This is going to be the butterfly keyboard of this MacBook Air generation. Because the cpu has no active cooling, it overheats and cooks itself, just like in 2015 12 inch MacBook, which had now active cooling at all. At least the new air has a fan to help vent out the case, but it really doesn't do anything. I would recommend that on your new computer you download a handy tool called Macs Fan Control, and monitor how hot you cpu temps actually get. A good operating temp would be about 60 degrees C, with under heavy load it reaching the 70/80's, and it should never get to 90 or 100. I hope that helps keep your MacBook Air running for many years to come, and I am sorry if there are any typos, it is very late at night.
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I forgot to include that I think it is very weird how quickly the problem surfaced

Hogwash.

Apple engineering did not pull these designs out of thin air, roll the dice and “hope for the best”. Some serious analysis and testing had to have take place.

My personal experience with two 12” Macbooks (2015 m3 and 2017 i7) and a 2020 Air i7 has been all cool, rarely have the fans come on with the Air (even running clam shell driving a UHD display) and no drama with any of the three.

Sold the 2017 12” a couple months back to offset the cost of the 2020. I still have the 2015 Air (m3). Still runs like a champ and has never had heat issues. My kid ran CAD wireframe software, Office and other stuff on it at college (including a Windows app in bootcamp) for 2 years and now my wife happily uses it.

Running a 2020 i7 Air for 1 month that has also not had any heat issues.

This would tend to indicate it is not a design issue across 12” and Air 2020 platforms- maybe manufacturing or software or both.
 
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