Brightness at 50% every reboot after October 2018 Update

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  1. Posts : 94
    Windows 10 Home Single Language
       #1

    Brightness at 50% every reboot after October 2018 Update


    My laptop is a Dell Inspiron 14 7447 and I upgraded to the October 2018 Update a few days ago. Thankfully, I didn't have any of the missing files issue but I do have a minor one: the brightness always resets itself to 50% every time I reboot. I tried searching online and a few users have reported this problem, but there is no known fix. Can you guys help me out?

    Intel HD Graphics Driver Version 15.40.41.5058
    NVIDIA Graphics Driver Version 416.16
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  2. Posts : 38,653
    windows 10 professional version 1607 build 14393.969 64 bit
       #2

    The same problem occurred on a HP notebook.
    It was fixed by manually increasing the brightness.

    In the left lower corner type: settings and open settings > click on system > view brightness and color > change brightness > manually move the scroll bar to the preferred birghtness
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  3. Vaio 7's Avatar
    Posts : 93
    W7 x64 & W10 Pro x64 (Dual boot)
       #3

    zbook said:
    The same problem occurred on a HP notebook.
    It was fixed by manually increasing the brightness.

    In the left lower corner type: settings and open settings > click on system > view brightness and color > change brightness > manually move the scroll bar to the preferred birghtness
    Already tried, no luck, it reverts to 50 after reboot... Moved the slider to 70, it works, but after reboot it reverts back to 50.
    Do you know by chance, the registry key that controls that setting so I could try to adjust there??
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  4. Posts : 38,653
    windows 10 professional version 1607 build 14393.969 64 bit
       #4

    Update the display drivers:
    Updating a driver. - Microsoft Community
    https://support.microsoft.com/en-us/...een-brightness

    Install all drivers using the Sony webiste as the source of the drivers.
    Only if they are not available use the component manufacturer websites:

    IntelĀ® Driver & Support Assistant
    NVIDIA
    For the Nvidia driver detector use Internet Explorer and Java.


    If the above techniques do not fix the display problem then use DDU to uninstall both drivers:
    1) uninstall the Nvidia GPU driver using DDU (display driver uninstaller)
    2) re-install the Nvidia GPU driver from the Nvidia website
    3) make sure that you check the clean install box and if available install the physx driver.
    Display Driver Uninstaller Download version 17.0.8.2 (or a newer version if available)
    Display Driver Uninstaller: How to use - Windows 7 Help Forums
    NVIDIA
    Download Display Driver Uninstaller - MajorGeeks

    If the above steps work then that will complete the troubleshooting.
    If all of the above steps do not fix the display problem consider reverting to Windows 10 1803.
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  5. Posts : 94
    Windows 10 Home Single Language
    Thread Starter
       #5

    It's not a display driver issue, it's an OS one. My drivers were the same ones before the update and I didn't have that issue.
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  6. Posts : 38,653
    windows 10 professional version 1607 build 14393.969 64 bit
       #6

    The windows 10 build 1809 rollout is on hold until the known problems are fixed.

    In the left lower corner type: feedback > open feedback hub > report the problems to Microsoft

    Many times drivers need to be modified after changes in operating systems.
    There are no longer any upgrades from 10 to 11 like there were from 7 to 8 or 8 to 10.
    Drivers for each Windows version / build are changed on many computer websites.
    If the modifications of drivers do not fix the display then revert the operating system windows 1809 > 1803.
    The number of days are limited unless you have a backup image.
    Set Number of Days can Go Back to Previous Version of Windows | Windows 10 Tutorials
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  7. Vaio 7's Avatar
    Posts : 93
    W7 x64 & W10 Pro x64 (Dual boot)
       #7

    djdelarosa25 said:
    It's not a display driver issue, it's an OS one. My drivers were the same ones before the update and I didn't have that issue.
    Of course it's an OS issue, sometimes after reboot the brightness settings are working, sometimes they're not.
    And as zbook suggested, reverting to a previous build is not a solution. By the way, I have upgraded via MCT from build 1709 to 1809. I have not encountered any of the issues, that many users are reporting, on 3 pc's, all upgraded from 1709 to 1809, only this glitch with brightness control.
    It was working great with 1709 where I was able to adjust by using control panel, power options and display brightness settings. Since version 1803 MS has decided to remove this option from control panel...
      My Computer


  8. Posts : 1,736
    Windows 10 Home
       #8

    This issue comes and goes but now rarely occurs (I shut down every night). Fix on it's way !
    https://www.windowslatest.com/2018/1...fix-is-coming/
      My Computer


  9. Posts : 53
    Windows 10
       #9

    I fixed this issue on my laptop but damn, I can't remember what I did... at least a permanent fix is coming!
      My Computer

  10. eLPuSHeR's Avatar
    Posts : 2,507
    Windows 10 Home x64
       #10

    I fixed this issue yesterday on a newly formatted HP laptop by resetting all power setting options.
      My Computer


 
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