Ubuntu Halts on Boot – Solved – Disable IPv6
Ubuntu Desktop 12.04 Hangs During Boot sudo gedit /etc/sysctl.conf Add: # IPv6 net.ipv6.conf.all.disable_ipv6 = 1 net.ipv6.conf.default.disable_ipv6 = 1 net.ipv6.conf.lo.disable_ipv6 = 1 Restart: sudo sysctl -p