![]() ![]() The only thing we are seeing across the board is that it is only after a long time asleep. After a reboot, mostly hard resets, the computer comes up fine. Remote desktop reports they are awake and will run a task. We tried fixing permissions, clearing out settings to default, reinstalling 10.10, and performing a PRAM reset. ![]() We have not been able to find a solution to the sleep/wake issue. We have had to manually move files to an external. We have not been able to use migration assistant or time machine to recover files to a another computer while we roll back the original. In most cases there was just a black screen and in a couple there was a black screen with the white mouse cursor. Another issue that does not seem to be consistent is the "black screen of death" where a Mac cannot wake from sleep mode. This was the first issue, email not coming in from the Exchange server. We are a higher education institution and depend heavily on email. After two weeks we saw a few problems that were difficult to address. ![]() We had a select group of our faculty make the upgrade to Yosemite. ![]()
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