Battery running down extremely fast?

Discussion in 'MacBook Air' started by brn2rnjk1, Feb 27, 2011.

  1. brn2rnjk1 macrumors regular

    Joined:
    Feb 24, 2008
    #1
    I have a new MBA with 4G memory (250g hd). When I first got it, and calibrated battery, if I unplugged the computer, the initial time the battery showed remaining was over 7 hours (this is before I did anything).

    Now, I have tried everything including recalculating, and it is giving me only 3.5 hours remaining. And it drains quickly even without doing anything.

    I cant seem to figure out what to do and why the battery is suddenly showing half capacity.

    Thanks in advance.
     
  2. 2IS macrumors 68030

    Joined:
    Jan 9, 2011
    #2
    Have you tried doing a restart? An actual restart, not sleep or hibernate by shutting the lid. It could be a stuck process sucking up cpu time and thus, battery life.
     
  3. simsaladimbamba

    Joined:
    Nov 28, 2010
    Location:
    located
    #3
    Have a look at Activity Monitor ( Applications / Utilities /) and select All Processes and sort by CPU to see what the culprit may be.

    image below uses sorting by CPU as an example
    [​IMG]
     
  4. brn2rnjk1 thread starter macrumors regular

    Joined:
    Feb 24, 2008
    #4
    There seemed to be very little running. Tried to up load screen shots, but not sure how to do it with Grab. Also did a coconut and didn't really see anything.
     
  5. simsaladimbamba

    Joined:
    Nov 28, 2010
    Location:
    located
    #5
    Have you made sure you selected "All Processes"?
    Attach an image via these means: http://forums.macrumors.com/showthread.php?p=11836587#post11836587

    Btw, Coconut is only a battery measuring tool, not a process measuring tool.

     
  6. brn2rnjk1 thread starter macrumors regular

    Joined:
    Feb 24, 2008
    #6
    The activity monitor is saying that my lexmark cups Driver is using almost 100% of the cpu (of course, don't know what that drain is). Does that make sense?
     
  7. brn2rnjk1 thread starter macrumors regular

    Joined:
    Feb 24, 2008
    #7
    Well went to the apple store and think we figured it out. I must have tried to send a doc to my wireless printer a while back and it never went. But the MBA was constantly trying to send it. So, all is well.

    Thanks for all your help. The All Applications look was the key.
     

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