ThinkPad X1 Gen. 9 does not shutdown with 20.04
You need to activate additional drivers and update the firmware.
First run these commands:
fwupdmgr refresh --force
fwupdmgr get-updates
fwupdmgr update
After this your PC will probably restart. Make sure that it's connected to the power supply.
After that, you need to activate additional drivers and reboot again (check photo):
