27" iMac with 10.9.3 suddenly shutdown

Discussion in 'iMac' started by squadcar19, Jun 24, 2014.

  1. squadcar19 macrumors newbie

    Joined:
    Jun 24, 2014
    #1
    I have had this iMac since '11 and all of a sudden for no reason it shuts down. I have talked with Applecare to no avail. Anyone have any ideas how to stop this? Thanks:(
     
  2. Cave Man macrumors 604

    Cave Man

    #2
    The one time this happened to me was when one of my DIMMs failed. But it could also be a fan that causes overheating. Have you installed Temperature Monitor to watch if the temp spikes just before shutdown? I think iStat Monitor will also report your gpu diode temp (or maybe it's atMonitor).
     

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