@Peter -- would you be able to get a boot with drm.debug=0x4 on the kernel command line, I think its F6 in the installer which lets you add those kinds of things (on the menu with nomodeset). We would then want the dmesg log for that boot. Thanks.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/597070 Title: Imac Radeon HD 4850 switch "Mini Display Port" output during install resulting black screen -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
