On Oct 19, 2013, at 4:08 PM, Jason Meadows wrote: > I got the white iMac, 2007 i believe, It just shuts down randomly with no > warning or anything. I searched on-line but couldnt find a solid answer to > this. Is this happening to anyone that had found out what causes this and a > fix?
If it just shuts down completely, I'd guess overheating or the power supply. There are several programs that can check for overheating: iStat Menus, Temperature Gauge, SystemPal and probably a bushel or so of others. The one I use is iStat menus. You can also peruse the activity logs, but there's usually nothing useful there when the machine just blinks off.
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