ackzell's » brightness https://ackzell.orgfree.com/blog stuff I'm learning.... Tue, 25 Mar 2014 03:55:11 +0000 en-US hourly 1 http://wordpress.org/?v=3.9 Fixing brightness in Ubuntu 13.10 https://ackzell.orgfree.com/blog/2014/03/24/104/ https://ackzell.orgfree.com/blog/2014/03/24/104/#comments Tue, 25 Mar 2014 03:54:49 +0000 http://ackzell.orgfree.com/blog/?p=104 Ever since I installed Ubuntu 12.04 (maybe even before that) I had trouble adjusting the screen brightness for my Vostro3700. I tried a lot of different things to solve it but without avail until recently.

Finally I stumbled across the tweak in grub.conf with the appropiate video parameters.

I found my answer here

The two lines that got it working were these:

GRUB_CMDLINE_LINUX_DEFAULT="i915.i915_enable_rc6=1 i915.i915_enable_fbc=1 quiet splash pcie_aspm=force "
GRUB_CMDLINE_LINUX="acpi_osi=Linux"

I have BURG and just in case modified burg.conf with the same parameters.

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