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computer won't sleep

270 Views 7 Replies Latest reply: Apr 15, 2012 10:32 PM by X423424X RSS
shamguy4 Level 1 Level 1 (0 points)
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Apr 15, 2012 8:02 PM

im on a 17" macbook pro using lion and my laptop wont go to sleep.

I shut the lid and the screen turns off but i hear it still going and the light  in the front doesnt beging to blink like it is suppose to.

I have reset the pram and the smc and its still not working

  • apple_master Level 2 Level 2 (290 points)
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    Apr 15, 2012 8:07 PM (in response to shamguy4)
  • X423424X Level 6 Level 6 (14,190 points)
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    Apr 15, 2012 8:34 PM (in response to shamguy4)

    Can I assume you unchecked the various checkboxes in the Energy Safer preferences (e.g., wake for network access)?


    Try smc and pram reset.


    Next, open terminal and copy/paste the following line, hit return, post the results:


    pmset -g


    Also post the files in the following places:


    your login items

    ~/Library/LaunchAgents (in your home directory)





    And again in terminal the output from the following line (copy/pasteand hit reutrn):


    kextstat -kl | awk ' !/apple/ { print $6 $7 } '

  • X423424X Level 6 Level 6 (14,190 points)
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    Apr 15, 2012 9:15 PM (in response to shamguy4)

    but thats not true my laptop has login items like itunes helper (have no idea what that it is under the account prefs) and a few others


    Why didn't you list them?


    Also the kextstat?


    And is the sleep problem on the battery, AC, or both?  It's interesting that sleep is disabled on the AC (by pid 18).


    Did you do the smc and pram reset?


    Also, just to test the sleep problem, boot in safe mode and see if it sleeps that way.  This will suppress all the third party additions you listed above (such as SwitchBoard, wacomtablet, divx) just to see if it's any one of them causing the problem.

  • X423424X Level 6 Level 6 (14,190 points)
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    Apr 15, 2012 10:32 PM (in response to shamguy4)

    I am not sure why the queued item doesn't keep it from sleeping on battery (unless there's some preferences about that).  But I asked the question about battery vs. AC because your pmset's showed sleep enabled on battery (sleep 15) and sleep disabled by process associated with pid 18 when on AC (sleep 0 (imposed by 18)).


    We could have easily determined what pid 18 was but that's apparently unnecessary now.


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