![]() I could not find a solution yet, but here is a workaround that works pretty well. Xserver-xorg-video-intel : Depends: xorg-video-abi-20ĭepends: xserver-xorg-core (>= 2:1.17.99.902)Į: Unable to correct problems, you have held broken packages. I could not find a solution yet, but here is a workaround that works pretty well. The following packages have unmet dependencies: The following information may help to resolve the situation: Requested an impossible situation or if you are using the unstableĭistribution that some required packages have not yet been created I get E: Unable to correct problems, you have held broken packages. Moreover, I read here that "Intel graphics driver is part of the xserver-xorg-video-intel driver package", but when I execute the following: sudo apt-get install xserver-xorg-video-intel In other words, no graphical drivers as shown for the answer in this question. I tried the similar thing: Additional Drivers The solution was to go the video driver setting and apply the old version of the driver. That same problem happened to me on windows every time I updated the system. Soundtrack Download Lenovo Ideapad P400 Brightness Control Not Working. Ubuntu 14.04 brightness problem (Lenovo Z500) - tried solution given by Gabriele. Manually adjust the brightness One way to fix the problem is to manually adjust. I have already tried the following solutions:īrightness key not working Ubuntu 16.04 LTS - Exactly same problem as me, except my laptop is Lenovo IdeaPad P400 touchĬan't change brightness in Ubuntu 16.04 LTS - Tried both the solution given by Panigrahi and by Stroobandt When I tried to change the screen brightness it went dark and the keys for changing brightness are not working. I installed Ubuntu 16.04.3 dual boot with windows 10 and everything was working. Today was my first contact with Linux OS (I pretty much do not know anything about Ubuntu). Lenovo Ideapad P400 Brightness Control Not Working - freesin Some Windows 10 users are experiencing a Windows 10 brightness control not working issue.
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