Le problème : driver nvidia non reconnu et émetteur stéréo état rouge
La solution : consultez la page web ci-dessous pour réinitialiser le serveur X
Quick and Easy way to fix X11 issues https://lkubuntu.wordpress.com/2011/08/30/quick-and-easy-way-to-fix-x11-issues/
READ THE COMPLETE TUTORIAL BEFORE TRYING.
I found a quick and easy technique to solve this problem:
Press CTRL+ALT+F3
Log in
Type:
sudo rm -f /etc/X11/xorg.conf
sudo rm -f xorg.conf*
sudo service lightdm stop
sudo service gdm stop
sudo service kdm stop
sudo service lxdm stop
sudo service xdm stop
sudo service wdm stop
sudo Xorg -configure
[ -f xorg.conf* ] && sudo mv xorg.conf* /etc/X11/xorg.conf
sudo dpkg-reconfigure $(dpkg -l | awk '{print $2}' | grep "^xserver" | tr '\n' ' ')
sudo update-initramfs -u
Reboot
This will reset the X configuration