I tried to install the Mesa Drivers but I installed the OpenGL Drivers.
Maybe I got it wrong, but in my attempt to download and search for them, I do not find them. I probably installed OpenGL and now I want to go back to those of nvidia.
Reading package lists... Done
Building dependency tree
Reading state information... Done
ppa-purge is already the newest version (0.2.8+bzr63).
The following packages were automatically installed and are no longer required:
libllvm12 libllvm12:i386 zorin-os-feedback
Use 'sudo apt autoremove' to remove them.
0 upgraded, 0 newly installed, 0 to remove and 6 not upgraded.
Updating packages lists
W: GPG error: http://archive.canonical.com precise Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 40976EAF437D05B5
E: The repository 'http://archive.canonical.com precise Release' is not signed.
E: The repository 'http://ppa.launchpad.net/attente/java-non-latin-shortcuts/ubuntu focal Release' does not have a Release file.
Warning: apt-get update failed for some reason
Everything looks good, but there are a couple of things to fix:
These repositories are not applicable to Zorin OS 16 (Focal fossa).
Please open Software & Updates application. Move to the "Other Software" tab.
Read through to list to find the first repository, then click and and then select the Remove button to remove that repo.
Repeat the above for the second repository.
Once completed, close Software & Updates and open a terminal.
Run:
How did http://archive.canonical.com precise get added to your sources.list?
Can you navigate to /etc/apt/sources.list.d/ and take a look there for a File for that repository?