Does not fix it for me either. I do have some more info though. After Xorg starts, I can login (blindly) and then run the xrandr commands from the console. It seems that the code for each mode is different when the external monitor is not connected. See attached output with 194 driver.
** Attachment added: "xrandr_-d_:0_-q_--verbose.txt" http://launchpadlibrarian.net/9497691/xrandr_-d_%3A0_-q_--verbose.txt -- ATI Driver Gets Black Screen on Radeon 7500 Mobile (Regression) https://bugs.launchpad.net/bugs/132716 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs