It happens the same to me with Acer 5715z with the latest karmic Kernel. I could not try the latest upstream mainline kernel because of some errors in installing it.
-- Unsupported Bios Version Acer 5050 https://bugs.launchpad.net/bugs/433681 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs