Have you ever tried to
control brightness on you Linux PC/Laptop? If the answer is yes, then you may
have been failed to do so!! I too just failed to control brightness on my
Ubuntu 14.04 LTS laptop for many times after applying so many methods. They
just didn’t work out. I was searching for a technique for controlling the
screen brightness and finally I have got one! Now I am sharing this to you. I
applied this on Ubuntu 14.04 LTS and Linux Mint 17 and
it worked. I don’t know whether it works on other version or not. You may try.
Now let’s go to the
tasks that you have to do.
Firstly open the
terminal (Ctrl+Alt+T) and then copy and paste the code to the terminal and
press enter.
sudo
touch /usr/share/X11/xorg.conf.d/20-intel.conf
This will create a
configuration file. Now we will have to edit this file. To do edit, we will
have to enter the following code to the terminal
sudo
gedit /usr/share/X11/xorg.conf.d/20-intel.conf
This will open a configuration
file. Now you will have to copy and paste the following lines to the
configuration file.
Section "Device"
Identifier "card0"
Driver "intel"
Option "Backlight"
"intel_backlight"
BusID "PCI:0:2:0"EndSection
Now save the
configuration file and then close it.
Log out and log in back.
The brightness control should be working through function keys now.
Isn't it pretty
cool!!!??? Happy Linuxing.
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