On 5 March 2014 15:09, Thiago Cavalcante <tlcavalcante at gmail.com> wrote: > Dear, > > Notebook Samsung Series 5 Ultra model NP530U3C running Ubuntu 12:04 LTS > 64Bits ethernet does not work , only Wifi . Someone help? What do you mean by not working? What does ifconfig (in a terminal) show? Copy/paste it here. Colin