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Q: Imac 27" 2.9 GHz Intel Core i5 white screen on waking from sleep
This has happened about three times now. I bought the latest iMac in December 2012 and have had no trouble except this occasional abberant behavior: Upon waking from sleep, a white screen appears with a progress bar that loads all the way to the last bar and then stops. The computer is no longer responsive to the track pad, mouse or any key on the keyboard. I must shut down the machine and then reboot and things are okay. Nevertheless, it is a nuisance at most and I would like to know why this is happening
iMac (21.5-inch, Late 2012), OS X Mountain Lion (10.8.3), White screen on waking from sleep
Posted on May 20, 2013 11:54 AM