I have the same problem. I installed cleanly Ubuntu 10.04
Hardware : Compaq 515 -- luminosity screen on a laptop cannot be set https://bugs.launchpad.net/bugs/566193 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