Public bug reported:

ubuntu 20.04.3 LTS

Not sure what package this belongs to, but this has to do with trying to
suspend the computer.

What I expect: 
selecting power off->suspend suspends my computer e.g. turns off screen, turns 
off fans, etc.

What happens:
In "Software & Updates" Additional Drivers tab, for my GeForce GT 745M, if I 
select the "Using X.Org X server" open source driver and then I try to suspend, 
the computer will log off, and the screen will turn black except for blinking 
cursor in the top left corner. The computer will never power down.

The workaround:
I work around this by selecting "Using NVIDIA driver metapackage" from 
nvidia-driver-470 (proprietary, tested)
After this, my computer properly suspends.

** Affects: ubuntu
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1946691

Title:
  using xorg driver for graphics card prevents suspend

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