@janowicz The HDMI port on the Thinkpad X1 Extreme is physically connected to the Nvidia chip, so it ONLY works if you are using the Nvidia card, not the Intel Integrated graphics.
This is the case with several of the latest laptops with Nvidia GTX 1050 cards in them. -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gdm3 in Ubuntu. https://bugs.launchpad.net/bugs/1778011 Title: SRU: PRIME Power Saving mode draws too much power To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1778011/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs