That kernel is EOL. Please upgrade to 5.10 LTS (Long Time support) or 5.4 LTS as your machine seems to be quite old.
Please read this:
Please tell us if this aberrant behaviour is present in both 5.4 and 5.10…
Also read this:
[HowTo] Provide System Information
and post some more information so we can see what’s really going on. Now we know the symptom of the disease, but we need some more probing to know where the origin lies…
