Brightness problem with Intel HD Graphics 4000

[romietis]

Hello,

Finally I fixed this problem on Windows 10, now I experience the same problem on Linux mint 18 Cinnamon.

I am using Lenovo z580 Ideapad with Intel HD Graphics 4000.

The problem was completely the same as on Windows 10; when I was using GUI to change brightness nothing happened. I could change brightness using function keys, but they were not working properly; sort of going out of boundaries.

The problem on Windows 10 I fixed from this forum: https://communities.intel.com/thread/81571 Problem was that registry had wrong value.

I went through a lot of forums, also tired:

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Section "Device"
        Identifier  "card0"
        Driver      "intel"
        Option      "Backlight"  "intel_backlight"
        BusID       "PCI:0:2:0"
EndSection

still didn't work.

Please check the solution of the forum, which I mentioned before. I think it is common problem for Intel HD Graphics 4000 with registry. How I can do it in Mint?

Thank You in advance!

And sorry for my English skills.

[darethehair]

Not sure if this addresses your question or not, but here goes:

Chromebooks come with pre-assigned function keys in the top row of the keyboard, two of them being screen brightness controls. When people like me want to dual-boot their Chromebooks to run Linux, they like to reproduce this functionality. This is easily achieved by installing xbacklight/xvkbd/xbindkeys, and then assigning those same keys (in .xbindkeysrc) to the 'xbacklight' utility for increasing/decreasing screen brightness. Perhaps you could use something like that for your solution as well? Did you want to see instuctions for doing this?

[romietis]

Yes, please.
I also have Chromebook which runs on GalliumOS, where keys were already binded .

[darethehair]

Yes, please.
I also have Chromebook which runs on GalliumOS, where keys were already binded .

You need to have these packages installed:

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apt install xbacklight
apt install xvkbd
apt install xbindkeys

Then in '$HOME/.xbindkeysrc' you can have something like this:

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"xbacklight -dec 10"
    m:0x0 + c:72
    F6
"xbacklight -inc 10"
    m:0x0 + c:73
    F7

Then you run the 'xbindkeys' command to activate it. I took these instructions from my 'Linux with Chromebook' page: http://darethehair.net/chromeos.html