When does my mac restart after a power failure

Discussion in 'macOS Sierra (10.12)' started by davelanger, May 21, 2017.

  1. davelanger macrumors 6502a

    Mar 25, 2009
    When does my mac restart after a power failure when I have that box unchecked

    today I lost power three times in about 2 minutes and my mac kept rebooting, one time we lost power half way through one of the boot ups.

    Is it because the power was only lost for a split second why it reboots?
  2. UL2RA Suspended

    May 7, 2017
    Not sure what you're asking, but you should really get an uninterruptible power supply. You can damage your hardware if you keep getting power outages.
  3. davelanger thread starter macrumors 6502a

    Mar 25, 2009
    My city rarely gets them maybe once or twice a year during storms or heat waves.

    Today was just an anomaly.

    What I am asking is, if I have the box to restart my computer after a power failure unchecked. when did my computer keep restarting when I lost power?

    The power only went off for a second then came back on. I was wondering if that had something to do with it since most times when people lose power its for an hour or so.
  4. flowrider macrumors 603


    Nov 23, 2012
    Very seldom have a power outage here. Can't remember that last one, but I would never run without a UPS.

    So, I guess I can't answer your question, since your situation has never and will never happen to me.


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3 May 21, 2017