I also had similar problem. It was solved by reinstalling the linux firmware drivers using synaptic
On 4/27/12, Pedro Monteiro <947...@bugs.launchpad.net> wrote: > Now it works with fglrx drivers. > fixed by running: sudo aticonfig --initial > hope it helps someone > > -- > You received this bug notification because you are subscribed to the bug > report. > https://bugs.launchpad.net/bugs/947748 > > Title: > Brightness control not working after latest update > > Status in “gnome-settings-daemon” package in Ubuntu: > Fix Released > > Bug description: > After today's update my brightness controls aren't working anymore. > After checking the System Settings, Brightness and Lock there is no > longer any brightness slider bar shown for manual setting either. So > my screen is fixed on full brightness. I'll attach screen shots > showing the difference before and after the update. > > == Regression details == > Discovered in version: 3.3.91-0ubuntu1 > Last known good version: 3.3.90-0ubuntu4 > > ProblemType: Bug > DistroRelease: Ubuntu 12.04 > Package: gnome-settings-daemon 3.3.91-0ubuntu1 > ProcVersionSignature: Ubuntu 3.2.0-18.28-generic 3.2.9 > Uname: Linux 3.2.0-18-generic x86_64 > ApportVersion: 1.94-0ubuntu1 > Architecture: amd64 > CheckboxSubmission: dd7f729683fa7fd3f2e256ba311e86cb > CheckboxSystem: d00f84de8a555815fa1c4660280da308 > Date: Mon Mar 5 21:36:12 2012 > InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta amd64 (20111006) > SourcePackage: gnome-settings-daemon > UpgradeStatus: No upgrade log present (probably fresh install) > > To manage notifications about this bug go to: > https://bugs.launchpad.net/ubuntu/+source/gnome-settings-daemon/+bug/947748/+subscriptions > -- Sent from my mobile device -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/947748 Title: Brightness control not working after latest update To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-settings-daemon/+bug/947748/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs