Fix Brightness Control Not Working for Ubuntu 14.04 & Linux Mint 17

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.

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Hal Yang dilakukan Setelah Install Debian

yang pertama kita harus menentukan repository untuk lokal . karena sewaktu kita install debian repository (alamat) belom di tentukan local nya . jadi ini ada cara ganti repository untuk local ( indonesia )
Buka update Manager di Menu System > Administration > Update Manager. Kemudian pilih Settings > pada bar Tab Ubuntu Sofware Ganti servernya menjadi > http://kambing.ui.ac.id/ubuntu.
atau bisa juga mengganti repository nya dengan cara ini :
buka terminal anda dan ketikkan : $ gedit /etc/apt/sources.list
lalu ganti repository nya menjadi ini :

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