Reinstalling Ubuntu solved the problem. The "restricted drivers" works now.
The problem was either related on upgrading from older Ubuntu versions or something I have done in the past Ubuntu installations (which I don't remember). ** Changed in: ubuntu Status: New => Invalid -- NVIDIA X driver not used on A8S-X motherboard. https://bugs.launchpad.net/bugs/136764 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs