Do you dual-boot this system with Windows? If yes, can you check suggestion from bug 156496?
Can you attach output of "dmesg" and "lscpi -vv" commands? ** Changed in: ubuntu Assignee: (unassigned) => Luka Renko (lure) Status: New => Incomplete -- RTL-8139/8139C/8139C+ Network card, seen but not being used https://bugs.launchpad.net/bugs/162800 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