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Mac Pro has insomnia (waking from sleep on its own)

My Mac Pro has recently started to wake from sleep on its own. This usually happens in the middle of the night, after I've gone to bed. I wake up in the morning and the computer is on.


Not sure how/why this is happening. Any ideas?

Mac Pro 2.8 (Early '08), Mac OS X (10.5.2), 10 GB RAM, 74GB 10k Raptor, 2x 750GB RAID, 23" ACD

Posted on Jul 4, 2012 8:19 AM

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Posted on Jul 4, 2012 8:41 AM

Launch the Terminal application in any of the following ways:


Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)


In the Finder, select Go Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.


If you’re running Mac OS X 10.7 or later, open LaunchPad. Click Utilities, then Terminal in the page that opens.


Drag or copy — do not type — the following line into the Terminal window, then press return:


syslog -k Sender kernel -k Message Req Wake


Post any lines of output that appear below what you entered — the text, please, not a screenshot.


Important: The name of your computer will appear in the output. If that information is private (for example, if the computer name contains your own name), edit it out by search-and-replace in a text editor before posting.

16 replies

Mac Pro has insomnia (waking from sleep on its own)

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