Comment 2 for bug 2062967

Agreed. I recently installed Ubuntu 23.10 after some absence and the first thing noted is the Nvidia drivers 535 are the default / tested version in the preinstalled driver tool app, and while that's fine, the newer version 550 is missing completely. Please add 550 both the proprietary and as open kernel module. IIRC on Ubuntu 22.04.4 version 550 open was available but only as a server edition (or was it 23.10?).

In addition, please make sure that switching between graphic drivers via the driver tool is safe. I say this because I was switching back and forth between Ubuntu LTS and 23.10 for testing purposes (separate hard drives), and the last time I switched to 545 via the driver tool app it showed me an error window without error message and wouldn't install. After a reboot Ubuntu just froze with a blinking cursor. Now I read what Jack posted above and understand why this is happening, but a normal user just wanting to switch drivers won't understand what's going on. This isn't the first time these things happen either.

GPU: Nvidia RTX A2000