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random shutoff

  1. Q

    27” iMacs, late-2009 & mid-2011: Cannibalize one to save the other?

    I posted before that I had managed to bring a late-2009 iMac back to life after a thorough dust clean-out and system update, in the thread 'Brought a 2009 iMac back to life - now what?' https://forums.macrumors.com/threads/brought-a-2009-imac-back-to-life-now-what.2296404/ Sadly, that didn’t...
    • Quondam2009
    • Thread
    • gpu failure imac (27" late 2009) imac (27" mid 2011) random shutoff
    • Replies: 28
    • Forum: iMac
  2. U

    Macbook Pro Randomly Shuts Down

    Hello, I have a Late 2013 MacBook Pro Retina that has been randomly shutting down. It shuts down on power or battery. I have reset the SMC and NVRAM, but the problem still occurs. After doing both of those, I erased the drive and reinstalled macOS. I initially had Sierra (not sure what version)...
    • UnknownUser2208
    • Thread
    • high sierra macbook pro macbook pro 15" late 2013 macbook pro late 2013 macos macos 10.13 random random shutdown random shutoff shut down
    • Replies: 1
    • Forum: MacBook Pro
  3. L

    iPhone 7 randomly shuts down & won't start again

    Hey, long term apple user and encountered first issue ever. My 10 months old iPhone 7 have started to randomly shut down and it can't be started again until plugged in to power. It doesn't matter the battery status, it happens even if its 100% and also even when it is actually plugged in. Also...
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