I have HP ProBook5310m. Same problem here! Solved by seeting "LAN Powersave" to "disabled" in BIOS.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/297263 Title: HP/Compaq mini Sky2 Ethernet not working if booting from battery -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs