I had same kind of problem when tried 7.10 at Live-CD. X starts with black screen. Bug 153188, https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/153188
I had same kind of problem when tried 7.10 at Live-CD. X starts with black screen. Bug 153188, https:/ /bugs.launchpad .net/ubuntu/ +source/ xorg/+bug/ 153188