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.
Ubuntu 14.04 brightness problem (Lenovo Z500) - tried solution given by Gabriele. 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).
