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  1. #1
    Thermal cutout switch on iMac

    Member Since
    Jun 13, 2012
    Las Vegas... as of 23 Feb 2018
    Your Mac's Specs
    27" iMac mid-2011, ipad.Air 2', iPhone 8+.
    Rep Power
    Thermal cutout switch on iMac
    Is there a thermal cutout switch on the iMac? Today while on Safari, I got a msg that I had lost my internet connection. Tried Chrome and Firefox same... even tho I still have my internet verified on an HP Laptop.. This has happened once or twice before. When I tried to restart, the computer would not turn on. Felt quite warm to the touch on top...I probably left it on much longer then normal. I let it cool down and it is working fine now. The only thing I can think of is there is some kind of thermal shutdown if the computer gets too hot. Comments?
    Also, how can I check the fan to see if that is working?


  2. #2
    Thermal cutout switch on iMac
    ferrarr's Avatar
    Member Since
    May 21, 2012
    Pawtucket, RI, US
    Your Mac's Specs
    L2014 Mac mini macOS 15, iPhone 8+ iOS 13, 12.9" iPad Pro 1 iPadOS 13,  Pencil 1
    Rep Power
    Check out Macs Fan Control, Macs Fan Control - control fans on Apple computers, also on Windows via Boot Camp. It will show all fans & speeds.
    -- Bob --
    Please backup. Everything has a life cycle, unexpected and warning free. Nothing will last as long as you want it to.

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