Sorry, me again. Please forget my previous comments. Try kernel boot paramter video.use_bios_initial_backlight=0.
If this works for you have a look at https://bugzilla.kernel.org/show_bug.cgi?id=51141 and http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=692361. The information provided there could be relevant. Hope this helps. ** Bug watch added: Debian Bug tracker #692361 http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=692361 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1066211 Title: Screen backlight problem on HP Folio 13-1050la To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1066211/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
