What does lsmod
give you? Perhaps you don't have the right modules loaded, for whatever reason... Also, the following command tells us which kernel packages you have installed. dpkg -l 'linux-*' Also try the instructions at https://wiki.ubuntu.com/DebuggingACPI and see if they are of any help in finding the nature of the problem. -- WARNING: Intrepid might burn down MacBook Pro https://bugs.launchpad.net/bugs/262550 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs