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Q: 21" iMac 6 month old hanging on boot

I bought this iMac back in March and had no problems till I turned it on today.  It shows booting and stays on that screen 85% of the time I turn it on or restart it.  Sometimes the screen flashes red streaks, the progress bar triples in size, and eventually boots after several warm restarts much more slowly than it used to.  This is possibly a late 2015 early 2016 model.  Has anyone else had this problem?  The bad part is, this is the third iMac, the first two purchased a few weeks prior to this one started failing to boot as soon as it was setup and had the latest osx updates.  I was told maybe they had gotten a bad batch at buy And they gave me this one.  Any suggestions?

Posted on Sep 9, 2016 7:14 PM

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Q: 21" iMac 6 month old hanging on boot

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