First: Install xbacklight from ppm
Before you do, please UPDATE PPM DATABASE FIRST (if you haven't)
To update database simply click the crowbar icon->choose 2nd tab which is UPDATE DATABASE->UPDATE NOW
To install xbacklight, simply click Quickpet->ppm->type "xbacklight" in the searchbar->Enter->choose "xbacklight"->DO it(Install)
Second: Prepare the shortcut key
Menu->Desktop->JWM Desk Manager->JWM Hotkey->Add NEW Shortcut(U can use any existing hotkey if you want to)
Codes:
Increase Brightness by 10%
Code: Select all
exec:xbacklight -inc 10
Code: Select all
exec:xbacklight -dec 10
Third: Magic seasoning Code
as you notice, you will get "no backlight output" if you do it manually in console. To make it work you have to edit a file, lets do it in console for easy fix.
In console type:
Code: Select all
geany /etc/X11/xorg.conf
Now, look up "Device" Section
change it to this:
Code: Select all
Section "Device"
Identifier "Intel Graphics"
Driver "intel"
Option "Backlight" "intel_backlight"
EndSection
Reboot, or do Restart Graphical Server, and try your magic key. enjoy.