Fix for brightness control with intel graphics card

[AndyInMokum]

Hi everyone, how's it going?  If anyone is having a problem with the screen brightness control in the power manager.  If you have an Intel graphics card here a fix.  First determine if you're using an Intel card.  Run the following command in a terminal window:

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ls /sys/class/backlight/If you're using an Intel card, the output should look similar to this:

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andy@sparkylinux-latitude:~$ ls /sys/class/backlight/
acpi_video0  intel_backlight
andy@sparkylinux-latitude:~$If you're satisfied it's an Intel card, create the following blank configuration file, if it doesn't already exist.  Enter the following command into the terminal window:

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sudo touch /usr/share/X11/xorg.conf.d/20-intel.confDo the password thing if asked, followed by entering the next command into the terminal:

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sudo mousepad /usr/share/X11/xorg.conf.d/20-intel.confCopy the following contents and paste it into the empty file:

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Section "Device"
        Identifier  "card0"
        Driver      "intel"
        Option      "Backlight"  "intel_backlight"
        BusID       "PCI:0:2:0"
EndSectionSave the file and quit mousepad.  Logout and back in < <This is important.  Check the brightness controls and settings in the power manager.  That's it, have fun  ;)!!