Macbook pro 2019 crashing and not turning back on

Macbook pro 2019, with parallels running on it, keeps crashing and turning off. Then, when plugged into power, the fan blows very shortly and regular intervals. The macbook will not turn on. Has anyone had a similar problem, or know a solution?

Posted on Nov 10, 2021 1:24 AM

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Nov 10, 2021 8:00 AM in response to Yevu

Yevu wrote:

Macbook pro 2019, with parallels running on it, keeps crashing and turning off. Then, when plugged into power, the fan blows very shortly and regular intervals. The macbook will not turn on. Has anyone had a similar problem, or know a solution?



On a Intel Mac


Try resetting the SMC http://support.apple.com/kb/ht3964


Try resetting NVRAM/PRAM http://support.apple.com/kb/ht1379




To trouble shoot further you can:


—Try a SafeBoot https://support.apple.com/en-us/HT201262



Takes noticeable longer to get to the login screen, does a 5 minute disk repair before it fully boots up, and certain system caches get cleared and rebuilt, including dynamic loader cache, etc.

Login and test. Reboot as normal and test. Caches get rebuilt automatically.


In Safe mode third party system modifications and system accelerations are disabled, it removes malware, etc hampering smooth operation, however a reboot will put it back to normal mode.


This test will tell you if third party interference; extensions etc are not loaded in safe boot mode.



—Test issue in another user (or guest user) account https://support.apple.com/guide/mac-help/set-up-other-users-on-your-mac-mtusr001/mac

This will tell you if it a universal issue or isolated to your user/admin account. 



Uninstall all third party apps that are Cleaners/Optimizers/VPN/Anti-Virus

all known to cause issues on the macOS




If your Mac doesn't turn on

https://support.apple.com/en-us/HT204267

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Macbook pro 2019 crashing and not turning back on

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