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I have bought a new W520 and I realized the brightness is automatically adjusted. I searched all the menus, Lenovo Tools, Windows Control Panel and I am unable to find the option. How do I disable the screen brightness to be automatically adjusted?


Applies to all systems with Intel HD Graphics.


Under Desktop, right click, click Graphics Properties, choose Basic or Advanced mode. (if application mode appears) Alternatively, you could go to Start, Control Panel (View: Small / Large Icon), Intel(R) Graphics and Media.


In the Intel(R) Graphics and Media Control Panel, click the Power tab on the left side.


Under power source on the top right corner, change it to On battery and the Power Conservation Features option will appear below Power Plans. 


Under Power Conservation Features, uncheck Automatic Display Brightness.



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i there, i have lenevo y480, intel hd 4000 and gt640m le, my intel graphic control panel / power options does not has those option (automatic display brightness),

anyone can tell me why?