I have a 2009 Mac Mini running OS X 10.11.6 set up as home theater. Its fan has been quite noisy for a while, but it has still worked fine... until a couple of days ago, when I found out that it had shut down on its own. I turned the Mac again, the fan started making noise... and a few hours later it also shut down on its own (I don't know what message or pop-up it showed, because I have it plugged into my TV, and I didn't have it turned on).

My theory is that the fan couldn't cool the system well enough, so the CPU temp rose so much that OS X shut the computer down on its own, but when I turned it on today and looked on /var/log/system.log, I couldn't find any message related to that, nor in any of the other log files available at the Console app.

Where would OS X store logs of such a thing happening, if any?

  • 1
    see apple.stackexchange.com/a/311076/85275
    – Tetsujin
    Apr 30 '20 at 6:26
  • "log: command not found". Do I have to install the Developer Tools?
    – PaulJ
    Apr 30 '20 at 7:57
  • I honestly don't know. Maybe the command didn't exist back then. I do have the command line tools installed, but idk whether it belongs to them or to the OS, sorry.
    – Tetsujin
    Apr 30 '20 at 8:03

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