Clean installed Sierra stuck in discrete graphics mode

Discussion in 'macOS Sierra (10.12)' started by szalmaf, Nov 4, 2016.

  1. szalmaf macrumors newbie

    Joined:
    Nov 4, 2016
    Location:
    New York
    #1
    After a clean install of Sierra on my late 2011 MacBook Pro 17" on a new SSD is stuck in "Graphics Card: High Perf." mode according to the Activity Monitor despite the fact that in the Energy Saver tab of System Preferences the "Automatic graphics switching" is set. In this mode I get 2 hours less battery life than before installing Sierra. Any tips as to how to remedy this?
     
  2. iMacDragon macrumors 65816

    iMacDragon

    Joined:
    Oct 18, 2008
    Location:
    UK
    #2
    run gfxcardstatus and see if it's showing any dependancies
     
  3. szalmaf thread starter macrumors newbie

    Joined:
    Nov 4, 2016
    Location:
    New York
    #3
    Thanks for your reply. I installed gfxcardstatus per your suggestion and exited the applications gfxcardstatus suggested. Rebooted (not sure it was necessary, but I did) and voila the integrated graphics worked, the MacBook can switch back and forth between discrete and integrated. For the record, Skim and a Canon scanner app were the dependencies that kept the discrete graphics locked.
     
  4. MinEderPlayz macrumors 6502a

    MinEderPlayz

    Joined:
    Aug 3, 2013
    Location:
    Hamburg, Germany
    #4
    I experienced a similar thing once, for me the solution was Photos' face recognition that was running in the background. Just if anybody cares.
     

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