A2000 it's gone from nvidia-smi on Ubuntu 22

I’m using an old card A2000 on an Ubuntu 22 for machine learning… it has been workinf perfectly for months i’m running models cuda… the whole deal.
after a system reboot it’s just gone from

nvidia-smi: 
No devices were found

Tried uninstalling all drivers cuda… etc… starting from scratch with diff version… always the same result.
Attaching the bug report log.
If Anyone has an idea, thanks in advance.
nvidia-bug-report.zip (153.0 KB)
Updated Nvidia lgos files