Since you suggested a kernel bug, I updated to Ubuntu 25.04 (6.14.0-15-generic) and the problem is solved in newer version. External monitors are now correctly detected by the system.
Thanks for you help ! -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2109692 Title: Failed automatic external monitor detection via Thunderbolt dock To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-hwe-6.11/+bug/2109692/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
