Hi Raoul, yes, your probably right it is not exactly the same. I overlooked in your initial post that the problem happened before grub and the title sounds so much like my problem. I think I assumed from here
> if something is attached to thunderbolt, no way to see even grub, if nothing is attached (and LID is closed) then I see grub loading on the external monitor but I don't get GDM. that you also had a problem after grub that is not associated with the thunderbolt issue. Thanks for your suggestions, I quickly tried both of them. Uninstalling xserver-xorg-video-intel did not solve it, but if I boot without "quiet splash" I can get to the login screen and login normally even though the HDMI cable is attached. I first see some log lines from the booting process on the screen, as expected, but the page with the Lenovo logo and Spinner does not come up and I just get to the login screen. Sorry if I am posting to the wrong thread here. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1876741 Title: Lenovo X1 boot crash with HDMI cable attached and laptop lid closed To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1876741/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
