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Macbook Air random shutdowns

B

Bishop200

macrumors member
Original poster
Jul 21, 2015
41
5
Hi guys,
My Macbook Air, particularly in the morning first thing, will randomly freeze, even when I know that there is lots of battery available. I will plug the adapter in, and hold the power key, and then it will come up with the low battery symbol. Is the battery indicator suspect under Mojave?
 
Bishop200 said:
Hi guys,
My Macbook Air, particularly in the morning first thing, will randomly freeze, even when I know that there is lots of battery available. I will plug the adapter in, and hold the power key, and then it will come up with the low battery symbol. Is the battery indicator suspect under Mojave?
Click to expand...

I am not sure about the battery indicator, but since my upgrade to Mojave, a have been having a lot of unexplained shutdowns. Nothing orderly, the screen goes black, sometimes with a cursor remaining and sometimes not. Hard reset is required to restart.

I have noticed the CPU temperature spikes as high as 200 degrees F at the drop of a hat, and can fall just as quickly. I suspect these crashes may be thermal shutdowns, unannounced, and unreported. When I unplugged all USB devices, things got better. Running a lot of software at once does drive the CPU temp up so there could be a problem with power control at the CPU. I hope this helps.
 
Hi Douglas, thank you for the reply. In my case it seems to be related to the battery indicator. I turn it on and it says 35%, two seconds later it shuts down and then when I plug it and restart is show 0%.
 
@Bishop200 and douglasgoodall: Can you tell us the Apple computer model/Year and if you did a clean install or upgrade?
 
Bishop200 said:
Macbook Air mid-2013. Upgraded rather than clean install.
Click to expand...
If it was a recent upgrade your might still be in the process of spotlight indexing. If not, I would backup the data and try a clean install and do not import any apps from your backup. See how the clean install goes. If the problem persists then, it may a hardware problem. If the problem disappears with a clear install, check the compatibility of any application before you import them back to your computer.
 
I haven't had the opportunity to do a clean install yet Madrich. It usually happens when not much is running when I close the lid.
 
If after the clean install the problem persists I would take it to an Apple Store Genius to run Apple Service Diagnostics.
 
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