I am not sure if the following is a relevant workaround for you, but it is worth checking it:
See section "BRIGHTNESS CONTROL OF THE DISPLAY" at http://www.andreas- demmer.de/en/2010/07/18/testbericht-linux-auf-dem-hp-envy-14/ In particular: "[...] After having done this, there should exist a file named /sys/class/backlight/i915/brightness. If you write values between 0 and 9 into it, the brightness of the screen changes immediately: echo -n5 > /sys/class/backlight/i915/brightness [...]" -- 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/686216 Title: Brightness is all the way down at login screen on HP Pavilion dm4 _______________________________________________ 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
