[RESPONDED] AMD Framework 13 running Ubuntu 20.04 hangs right before login

Hi there, I’m hoping someone here more knowledgeable than me can put together some of the clues I’ve found and see if my Ubuntu installation is salvageable or if I’ll need to do a complete reinstall.

A couple of days ago I was playing a game in Pico8 which then became completely unresponsive. I then went to force shutdown by long-pressing the power button. When I rebooted, the laptop started up but eventually came to hang on a black screen with an underscore in the top left corner, with no ability to enter anything on the keyboard.

I was able to boot into all 3 different liveUSBs I tried: the Ubuntu install USB, a systemrescue USB and a Tails USB.

I was able to access my root filesystem and copy my entire home folder onto an external drive for backup. I just started trying things at that point: using ddrescue and fsck which both came back with no errors, as well as logging in as root in ubuntu recovery and trying apt-get update and apt-get upgrade, which didn’t help either.

From this I feel like I can be pretty confident that the hardware is working and that the nvme drive is also functional, and I am able to login as root in ubuntu recovery mode, so I’m at a bit of a loss. I’ve got a bunch of video and screenshots of various error messages I’ve encountered but I’m afraid they wont be much use as I wasn’t paying close attention to what exactly I did to generate them.

I am officially completely out of my depth here and would appreciate any help I can get. Thank you!