a workaround for this is installing 'pommed' sudo apt-get install pommed
I recommend adding the 'mactel-support' ppa sudo add-apt-repository ppa:mactel-support -- Brightness hotkeys not working on MacBook 5,2 and 4,1 https://bugs.launchpad.net/bugs/434071 You received this bug notification because you are a member of Mactel Support, which is the registrant for Mactel Support. Status in Mactel Support: New Status in “hal” package in Ubuntu: Confirmed Bug description: Binary package hint: hal On a clean install of Ubuntu 9.10, the brightness hotkeys are not working at all on a MacBook5,2. ProblemType: Bug Architecture: amd64 Date: Mon Sep 21 16:17:06 2009 DistroRelease: Ubuntu 9.10 NonfreeKernelModules: nvidia wl Package: hal 0.5.13-1ubuntu4 ProcEnviron: LANG=en_GB.UTF-8 SHELL=/bin/bash ProcVersionSignature: Ubuntu 2.6.31-10.34-generic SourcePackage: hal Uname: Linux 2.6.31-10-generic x86_64 _______________________________________________ Mailing list: https://launchpad.net/~mactel-support Post to : [email protected] Unsubscribe : https://launchpad.net/~mactel-support More help : https://help.launchpad.net/ListHelp

