1. Joined : Mar 2015
    Posts : 189
    Windows 10 PRO (upgrade from TP)
       12 Sep 2015 #1

    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 System SpecsSystem Spec


  2. Joined : Aug 2015
    Posts : 21
    windows 10
       12 Sep 2015 #2

    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 System SpecsSystem Spec


  3. Joined : Mar 2015
    Posts : 189
    Windows 10 PRO (upgrade from TP)
       12 Sep 2015 #3

    steve1711 said: 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 System SpecsSystem Spec


 


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