Open LID, press power button, wait for BIOS show logo. close LID. Set Optimized=Enable before load default setting.
ThinkPad Thunderbolt 3 Dock Gen 2: https://pcsupport.lenovo.com/us/en/solutions/pd500265 GPU is hybrid, BIOS can't be shown on external monitor. no grub shown, wait enough time, GDM show on external monitor. HDMI directly on laptop, typec monitor on laptop, DP monitor on dock are all OK. -- 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 [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
