If the low graphic mode error comes in Ubuntu:
sudo apt-get update
sudo apt-get -d install --reinstall
gdm
sudo apt-get remove --purge gdm
sudo apt-get install gdm
sudo apt-get install
Ubuntu-desktop
sudo dpkg-reconfigure -phigh xserver-xorg
sudo reboot
how to start the wireless internet if the machine run in low
graphic mode
when the GUI is unable to load press ALT+F2 key and open
other terminal
login with credentials
type startx
type iwlist scan (for searching the network, if wireless is
down then type sudo ifconfig up)
for registering with network type iwconfig
essid (like interface=>ra0 essid=>“MyNetwork”).
If the above command not work then type nm-applet