Two of the most prominent issue with Ubuntu 13.10 are brightness control and sound. We saw how to fix no sound issue in an older post. In this quick post, we’ll see how to fix brightness function key not working in Ubuntu 14.04.
This article
was originally written for Ubuntu 13.10 but it is equally able to fix
brightness issue in Ubuntu 14.04 as well as Linux Mint 17.
On my Dell Inspiron, using the function
key to change the brightness did not yield any results. Brightness was
at the maximum and my attempts to lower it went in vain.
It turns out, there are two bugs related to brightness issue in Ubuntu. One relates to Nvidia graphics card and other relates to Intel graphics card. The solution, that worked for me, is for Intel one. Let’s first find out what graphics/video card to do you have.
Yogyakarta