Yosemite killed my battery!

Discussion in 'MacBook Pro' started by Mac2k4, Oct 17, 2014.

  1. Mac2k4 macrumors newbie

    Joined:
    Sep 30, 2014
    #1
    One week old MBP (see signature) went from 100% battery to 64% in 2 hrs of light web browsing using Safari with no Flash, no YouTube. This is beyond bad...really bad :eek::(
     
  2. 1member1 macrumors 6502

    Joined:
    Sep 8, 2012
    #2
    mine seems the same.. i will give it one more day to see if clean install needed
     
  3. simonsi macrumors 601

    simonsi

    Joined:
    Jan 3, 2014
    Location:
    Auckland
    #3
    Some ideas:

    As Yosemite has only been released today I assume you installed it today? If so that is quite a bit of activity to download and install it, then Spotlight will index etc so that will be a chunk of one-off battery drain.

    If you were running a beta version, well it may just be worth installing the release today, beta is beta as it will have some issues...

    If you haven't just installed then you need to open the Activity Monitor and check the Energy Used and CPU tabs to see what was using the energy and running the CPU hard, that is what the OS is supposed to do but some apps can be badly behaved but it will help you understand what is going on.
     

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