Hi all. Just installed 20.04 and initially it did not detect my external monitor. Got around this by purging the default nvidia drivers using the following method:
sudo apt-get purge nvidia* sudo add-apt-repository ppa:graphics-drivers sudo apt-get update sudo apt-get install nvidia-384
I tried newer versions but didn’t work. Anyway, I got it detected, resolution looks good, everything looks normal, apart from one thing: the system is convinced that the desktop resolution of the external monitor is smaller than it actually is on the screen! This is seen through the maximize button on windows and also the snapping. There’s a video demonstrating this here: https://drive.google.com/file/d/1VSQsyD0wr-mOjviXJhB9QmU0_EsclWR3/view?usp=sharing
Any ideas? Thanks!