Ideapad z580 screen brightness and camera?

Question

System administration

On a subject under Windows 7 x64, changing the brightness of the screen and the camera does not work.
On W8 (native) everything was ok, after upgrading to 8.1 the problem is similar.
The camera is in the controller. When trying to start, the indicator lights up for a second and goes out. All.
Also in Linux with a camera, similar crap (maybe hardware damaged. The note really didn’t drop).
The brightness in Linux is correctly regulated. On Windows, I updated all the firewood (both from the site and drp.su).
Where to dig?

Answer 1

I have no problems on the Ideapad z510 either on Win 7 or 8 or 8.1.
Try taking native ones from Lenovo instead of DRP:
nVidia - mobilesupport.lenovo.com/us/en/downloads/ds037448
Intel Video - mobilesupport.lenovo.com/us/en/downloads/ds029204
there are also several cameras, so it's better to go to
support. lenovo.com/ru_UA/downloads/default.page?#
and specify your model - you will see all the drivers for it.
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PS You are always welcome ;-)