Dell Inspiron 11z Discussion on Dells 11.6inch "notebook", the Dell Inspiron 11z

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StormStrikes StormStrikes is offline
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Join Date: Mar 2011
Default Solution for Screen Brightness on Linux Mint - 03-21-2011, 11:52 PM

I did not see it posted elsewhere so I hope its not a re-post, and if it is please accept my apologies. That said, I found a solution for the screen brightness for the Dell 11z for Linux Mint (v.10 w/KDE).

First you have to open up your GRUB file. In Linux Mint, Kate is the text editor so use the following command:

sudo kate /etc/default/grub
You'll then be prompted for your password. Enter that, then a text file will open. You will see a line similar if not exactly like the following:

You will need to change it to reflect the following:

GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi_backlight=vendor"
Once that is done, save the file then close it. Then go back into the terminal and type the following:

sudo update-grub
Then close out the terminal window and then reboot. When you are booted back up you will find that your F4 and F5 keys will adjust the brightness of the screen as well as any other applets that you can adjust screen brightness with.

Hope this helps someone.
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