iMac Retina 5K 2015 won't stop auto dimming

Discussion in 'iMac' started by Hevelius, Jun 23, 2016.

  1. Hevelius macrumors member

    Joined:
    Aug 26, 2013
    #1
    Hi, I have a brand new iMac 5K but one thing that's driving me crazy is that it keeps automatically adjusting the brightness (to a low level).
    This happens even though I have 'Automatically adjust brightness' in SysPrefs->Displays set to off (Unchecked).

    Is anyone else experiencing this problem? I'm running the latest El Capitan (10.7.5) and I have no idea why it is ignoring the Auto-brightness setting. It always want to take it to around 25% brightness level around sunset so I can barely see the screen.
     
  2. maflynn Moderator

    maflynn

    Staff Member

    Joined:
    May 3, 2009
    Location:
    Boston

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