Q: My imac keeps restarting and freezes on grey screen with safe mode restart
My iMac 27" with Yosemite latest update, keeps restarting. Now has gone into a loop of restarting when it gets to the grey screen. When attempting to start in Safe mode by holding sift k
iMac (27-inch Mid 2011), OS X Yosemite (10.10.3), also running Parallels with Win 7
Posted on Jun 16, 2015 2:20 AM
by Mike Sombrio,Apple recommended
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See if the tips here help Mac OS X: Gray screen appears during startup - Apple Support
Posted on Jun 16, 2015 3:43 AM