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Apple TV not waking up iMac anymore

905 Views 4 Replies Latest reply: Apr 10, 2013 11:47 AM by AppleKos RSS
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Aug 9, 2012 6:15 AM

After the recent upgrade from 10.6.8 to 10.8, the Apple TV's will no longer wake up the iMac.  Hence a trip down two flights of stairs is required.  Physically touching any key wakes it up (without issue).


Late night TV watching, the computers  have already gone to sleep either because they're sitting idle or it's scheduled "bed time".


Two scenarios:

(1) If the I'm watching a program during the scheduled "bed time" for one of the iMacs, the program stops running.  But to access our media library and resume playing the media, the computer cannot be woken up from the Apple TV anymore.


(2) Apple TV and iMacs are sitting idle. When I call up the home library, it will NOT wake up the iMac.


The settings are the same as before the upgade.  The box IS checked in power management ... "wake for network access".

Apple TV's are using the most recent updates.


Any thoughts?

iMac, OS X Mountain Lion


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