Here is a workaround to set the Brightness via shell: ~$ sudo setpci -s 00:02.0 F4.B=75 (to set Brightness to 75%) be careful with low values, 00 is completely black.
-- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-intel in ubuntu. https://bugs.launchpad.net/bugs/446717 Title: [gm45] Adjusting Brightness in Acer Aspire Timelines causes system freeze in 4810T and 5810T models _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
