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HT2412 iMac "deep sleep" problem

2015-10-11   Views:0

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Hi, I have a iMac 27" Late 2012 and it keeps going in "deep sleep" when I leave it unattended during the day. When I come back, I have to wait for my mac to load the saved state which is quite long. I had many macs in my life and it's the f

Hi, I have a iMac 27" Late 2012 and it keeps going in "deep sleep" when I leave it unattended during the day. When I come back, I have to wait for my mac to load the saved state which is quite long. I had many macs in my life and it's the first time I encounter the problem. I've seen that sleep mode before when my MacBook would be out of battery, but never on a desktop... My energy saver settings are set to never sleep (computer) and 15 minutes (display). My setting in Privacy/Advanced/Log out after XX min of inactivity is also off. I checked my hibernation mode in the terminal and it is set to 0. Out of ideas. Anyone ?
Thank you !

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I have the same problem on my black MacBook. My problem is intermittent. Sometimes restart works; sometimes I'll select restart, but after the logout it never really shuts down. Black screen, glowing status indicator, completely unresponsive. I've also left it overnight with no change. The only "fix" is to do a hard shut down with the power button, whereupon I'm presented with the annoying "computer wasn't shut down properly" message on startup. No kidding! But no matter how many times I report it, no response.
I've tried resetting the power manager, I've tried zapping the pram. I've tried reinstalling the system -- I just nuked and paved this weekend, with no change. So either it's a hardware problem, or something fundamentally wrong with the OS. But since I don't hear a lot of people complaining about this one, that makes me think it's specific to my (and your) computer...
I called Apple about it while still under warranty, but got no helpful suggestions. The nearest apple store is 7 hours away, so I can't just pop in and show off my problem

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HT2412 iMac "deep sleep" problem

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