Yosemite Upgrade vs Clean Install battery life

Discussion in 'MacBook Pro' started by aoaaron, Oct 23, 2014.

  1. aoaaron macrumors 6502

    Joined:
    Sep 4, 2010
    #1
    I can confirm from my experiences:

    Upgrade of Yosemite from a 2014 rMBP showed 3-5 hours of battery life per 100% charge.

    I then formatted and clean installed yosemite. Battery life is now 8 hours+ from a single 100% charge with improved battery life over Mavericks. If people are suffering from poor battery life on Yosemite's upgrades, give a clean install a go if you have time. It helped me :)
     
  2. Bending Pixels macrumors 65816

    Joined:
    Jul 22, 2010
    #2
    Personal recommendation only - clean install. Yes, it takes longer, but I've found that I tend to avoid any of the issues that some people who choose to do an upgrade (vs. clean install) run into.

    And yeah...it's a leftover conditioning (ala Pavlov's dog) from using WinDoze for too many years.
     
  3. GP-SE macrumors 6502

    Joined:
    Feb 27, 2013
    #3
    I usually do a clean install, however I went from Mavericks to Yosemite doing an upgrade though Mac App Store. I haven't had any issues at all, fast boot, and still getting identical battery life as Mavericks.
     
  4. blooperz macrumors 6502

    Joined:
    Dec 10, 2013
    #4
    Also did an upgrade through the App Store...no issues to report...battery life is fine...
     

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