Run:
Code:
sudo apt-get update
sudo apt-get full-upgrade
That should bump up the system to 18.04.5
Code:
$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 18.04.5 LTS
Release: 18.04
Codename: bionic
Then you can install the HWE stuff. How depends on which DE you have installed. There are instructions if you goolge "HWE Ubuntu" and look for your specific release. That will get you to the 5.4.x kernel and update the X/Windows stuff. 5.4.x is the kernel on the normal 20.04 release. This can make newer hardware work better, but some older hardware may work less good too. Just depends. It is a risk.
BTW, it would have helped if you simply posted the lsb_release -a AND the output, so the posts above didn't have to interpret what you wrote and hope they did that correctly. I know I couldn't.
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