MBP running on battery doesn't go to sleep when closing lid

Discussion in 'MacBook Pro' started by slapple, Jun 3, 2012.

  1. slapple, Jun 3, 2012
    Last edited: Jun 3, 2012

    slapple macrumors 6502

    Joined:
    Jul 25, 2008
    #1
    I have a late 2011 MBP running Lion 10.7.4. When I have it plugged into the wall and I close the lid, it goes to sleep. But when it's on the battery and I close the lid, it does not go to sleep. Why is that?
     
  2. gorskiegangsta macrumors 65816

    gorskiegangsta

    Joined:
    Mar 13, 2011
    Location:
    Brooklyn, NY
    #2
    Can you explain further? What happens when you close the lid while on battery, and how is it different from when you close the lid while plugged in?
     
  3. slapple thread starter macrumors 6502

    Joined:
    Jul 25, 2008
    #3
    I found out it was an app called NoSleep that was the cause. I had installed it months ago, but thought it wasn't running because I unchecked the "Start NoSleep utility on system startup" setting. But apparently that only controls the menu bar icon. NoSleep is actually always running, and it was set to prevent sleeping on battery.
     

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