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shut down after sudden loud fan sound

My MacBook shuts down after 1-2 seconds of loud fan sound. Such a problem occurred three times within 6 hours. I am so confused. Anyone know what this keeps happening and how can I solve it?

thanks

(My mac was not hot and I only opened 1-3 tabs in chrome, so definitely not over-working my mac.)

MacBook Pro (2020 and later)

Posted on Jun 3, 2021 6:41 AM

Reply
Question marked as Top-ranking reply

Posted on Jun 3, 2021 7:03 AM

wys1203 wrote:

My MacBook shuts down after 1-2 seconds of loud fan sound. Such a problem occurred three times within 6 hours. I am so confused. Anyone know what this keeps happening and how can I solve it?
thanks
(My mac was not hot and I only opened 1-3 tabs in chrome, so definitely not over-working my mac.)



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. Caches get rebuilt automatically.



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


1 reply
Question marked as Top-ranking reply

Jun 3, 2021 7:03 AM in response to wys1203

wys1203 wrote:

My MacBook shuts down after 1-2 seconds of loud fan sound. Such a problem occurred three times within 6 hours. I am so confused. Anyone know what this keeps happening and how can I solve it?
thanks
(My mac was not hot and I only opened 1-3 tabs in chrome, so definitely not over-working my mac.)



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. Caches get rebuilt automatically.



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


shut down after sudden loud fan sound

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