I am also having the same issue with my Lenovo z51-70. Network controller [0280]: Broadcom Corporation Device [14e4:43ae] (rev 02) this is my network card. I am running Ubuntu 14.04 LTS. It was a fresh install.
I am also having the same issue with my Lenovo z51-70.
Network controller [0280]: Broadcom Corporation Device [14e4:43ae] (rev 02) this is my network card. I am running Ubuntu 14.04 LTS. It was a fresh install.