1.    12 Sep 2015 #1
    Join Date : Mar 2015
    Posts : 194
    Windows 10 Pro

    Need help disabling auto-brightness


    Hello !

    First of all, this is the system I'm talking about:
    Lenovo Thinkpad T420s
    i7-2620m
    Nvidia NVS 4200m

    I'm not sure if it's some drivers derping or if it's Windows 10, but I get some annoying auto-brightness. If I go on some page that has a dark background, my brightness will go down. If I go on some page that has white background, my brightness will go up.

    Basically, if my screen is dark, brightness goes down, and if my screen is light, my brightness goes up. Any ideas on how to disable that ?

    Thanks.
      My ComputerSystem Spec
  2.    12 Sep 2015 #2
    Join Date : Aug 2015
    Posts : 21
    windows 10

    Have you tried this: How to Disable Auto Adjust Screen Brightness - ambient light sensor - Ideapad Y560 - Lenovo Support (US)
    Seems to be something to do with lenovo power settings.
      My ComputerSystem Spec
  3.    12 Sep 2015 #3
    Join Date : Mar 2015
    Posts : 194
    Windows 10 Pro
    Thread Starter

    Quote Originally Posted by steve1711 View Post
    Have you tried this: How to Disable Auto Adjust Screen Brightness - ambient light sensor - Ideapad Y560 - Lenovo Support (US)
    Seems to be something to do with lenovo power settings.
    Thank you man. Giving me that link, I realized that I don't have 'power manager' installed, but I do have 'power management driver' installed. That was a nice lead. I installed that and now I don't get the automatic screen dimming.
    But I still need to tweak the settings, because I get some awkward GPU activity. GPU runs without me running anything on the GPU, and that will affect battery life a lot.

    Plus that there was no driver for windows 10 or 8 so I installed the driver for windows 7
      My ComputerSystem Spec

 


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