a. When I installed your patched driver and the laptop lid was _open_ it worked fine(!): I got the desktop showing on the external monitor as expected. The odd thing is that with the laptop lid closed I still get a blank external monitor...
b. I couldn't even boot with that kernel. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/734756 Title: [Arrandale] Blank screen when booting with external monitor (x86_64) -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs