Ok, the magic workaround is to disable the "Legacy option ROM" feature in the BIOS, which happens to be the BIOS default. Go figure why the kernel stopped liking whatever that setting implies.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1580311 Title: Laptop boots only if external display connected To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1580311/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
