Restart/reboot resets brightness from 100% down to 50%

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  1. Posts : 2,732
    Windows 10

    There is some sort of issue on 1803. My brightness can change to 50% seemingly at random, very irritating for my screen normally at 85%.

    I know where the adaptive brightness settings were(2 places), and disabled those, one of which has gone in the Power Options Power Plan settings in 1809.

    I'm using Intel HD graphics. The Control Panel of that has an adaptive brightness setting which is disabled.
    Windows changes that by itself...great...I save and use my Intel HD graphics profile so it's not me changing it.
    It still happens.....about 10 mins ago...random.

    I keep having to select that saved Profile.
    Gone backwards and forwards with Intel HD drivers but it is still there. It is not an HP/Dell machine either.
    Indeed, send it to the Feedback.
      My Computer

  2. Posts : 545
    Windows 10 Pro
    Thread Starter

    I am now on 17763.104, no issue with brightness, after 3 reboots.

      My Computer

  3. Posts : 95
    W7 x64 & W10 Pro x64 (Dual boot)

    See post #15 here:

    Brightness at 50% every reboot after October 2018 Update

    Temporary workaround but it works fine.
      My Computer

  4. Posts : 545
    Windows 10 Pro
    Thread Starter

    Went back to 1803 until the fix is in.

      My Computer

  5. Posts : 41,547
    windows 10 professional version 1607 build 14393.969 64 bit
      My Computer

  6. Posts : 15
    Windows Ten Home

    It's not just a Dell/HP problem, my Asus laptop also randomly reverts back to 50% brightness since the 1809 update.
      My Computer

  7. Posts : 936

    Yeah, My Lenovo also reverts to 50% brightness but I just learned to live with it. I usually just put it to sleep instead of shutting down so it doesn't aggravate me. LOL
      My Computer

  8. Posts : 1,232
    Windows 10 Pro x64

    i found a work display enhancement service.....but the only thing this will keep your pc at 100% brightness all the time....i wonder where i can go in the registry to fix this...another thing i noticed is usually when im using battery i have a certain brightness and full for when its plugged in, these options are gone.....
      My Computers


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