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My Macbook Pro(mid 2014 15') keeps shutting down unexpectately, usually acompanied by very loud fan noise. This problem has pestered me for quite a while. I don't remember exactly when it started, but I am sure it happened before I upgraded to the latest Catalina OS. But now it reaches a frequency that render the Mac unworkable. I tried to reboot it in safe mode, but the same thing happened in safe mode as well, though seems less frequent. I tried to reinstall the Catalina through recoverary mode but it can not be done because it shut down while downloading the files. Although the Windows bootcamp works fine. Is there any suggestion about what could be the problem and what I should do to fix it? If there is any supporting documents I can provide, please leave it at the comment and I will find it for you. Thanks in advance.
Shutting down with a loud fan noise would imply overheating. When was the last time it was completely stripped & cleaned? [not just blown at] – Tetsujin – 2019-12-09T12:32:34.943
but that would affect boot camp as well. No? – jxhyc – 2019-12-10T01:43:20.043