Ubuntu 14.04 не загружается даже после повторной установки grub и Boot-repair

gksu gedit /etc/network/interfaces

# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

# The loopback network interface
auto lo
iface lo inet loopback

# This is a list of hotpluggable network interfaces.
# They will be activated automatically by the hotplug subsystem.
# auto eth1

# iface eth1 inet dhcp

option domain-name "example.org";
option domain-name-server ns1.example.org, ns2.example.org;

default-lease-time 600;
max-lease-time 7200;