After I installed Ubuntu 16.04, I found that the brightness of display was set to brightest possible and I wasn't able to change it. Then I installed Brightness Controller and it worked. Then from some other answer, I binded the 'brightness multimedia key' from my keyboard to control the brightness.
But now when I reduce to least bright, the display turns black. How do I set it correct ??
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Kumar Gaurav
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what's controller you install !! – Mohamed Slama Jun 27 '16 at 06:48
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check my answer here to change brightness !! http://askubuntu.com/a/770100/464430 – Mohamed Slama Jun 27 '16 at 06:49
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http://lordamit.github.io/Brightness/ this one. – Kumar Gaurav Jun 27 '16 at 06:51
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this application not change brightness it change color – Mohamed Slama Jun 27 '16 at 06:58
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i tried <append "acpi_backlight=vendor" to GRUB_CMDLINE_LINUX_DEFAULT> but still when I reduce to the least bright, it gets black, like it is turned off. – Kumar Gaurav Jun 27 '16 at 07:00
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how you reduce it open ? all settings -> brightness & lock and change it or fn+brightness key – Mohamed Slama Jun 27 '16 at 07:04
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Would you like a scripting solution ? Basically , it's going to be a program that wont allow brightness to go past the specific minimum. How's that ? – Sergiy Kolodyazhnyy Jun 27 '16 at 07:04
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oh yes, sure I do. – Kumar Gaurav Jun 27 '16 at 07:05
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that's what I want, like fixing the lowest to something small rather than 0. – Kumar Gaurav Jun 27 '16 at 07:05
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@MohamedSlama now I can use both, but I generally prefer fn+brightness key. – Kumar Gaurav Jun 28 '16 at 03:30
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if the problem fixed attach an answer and mark as solver – Mohamed Slama Jun 28 '16 at 04:03
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its not fixed yet. – Kumar Gaurav Jun 28 '16 at 04:28
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I updated my system to recently released Ubuntu 16.10, and it solved this problem. The multimedia key for Brightness control is working properly. But the min value of Brightness leads to black screen.
Kumar Gaurav
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Nice that you were able to find a solution for your problem. Don't forget that you can (and should) accept your own answer to mark the question as solved. However, if it does not really solve your problem or leads to a different problem than the one described in your original question, you might consider posting a new question about that, adding a link to this post as reference on what happened before. – Byte Commander Oct 14 '16 at 20:29