lenovo ideapad p400 brightness control not working

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. Brightness control not working on Lenovo Ideapad Creator 5 Ubuntu 20.04. so I am suggesting that if the brightness is not working, check the driver and post specifics about your rig. Lenovo IdeaPad P400 Brightness not working - Ubuntu 16.04.3 LTS. My machine has 2 keys to control brightness. The following packages have unmet dependencies: now I have the intel driver installed with Windows 8.1 on the machine and the panel brightness does work as expected with the keyboard controls. Most certainly driver issue.Update them or download from the lenovo software centre. The following information may help to resolve the situation: Not able to change the brightness of my laptop(lenovo ideapad 330s). 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. 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).

Lenovo ideapad p400 brightness control not working