Most likely, you just need to reinstall xserver-xorg-core. See this email that solved the problem for me:
https://lists.ubuntu.com/archives/ubuntu-x/2010-January/000725.html -- [i845G] X not starting with intel 845 chipset https://bugs.launchpad.net/bugs/506685 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
