System will not shut down fully or freezes after idling for a while

This offers no cure, however, I noticed:

Linux can often be quite resilient in the case of a hard reset or shutdown, but sooner or later one’s luck will run out.

Consider using REISUB/REISUO instead:

Related:


Once you have provided the logs @Mirdarthos requested, please remove the image from your first post. Posting of images is usually discouraged (for a variety of reasons).

Regards.