Yesterday I updated Ubuntu from 12.04 to 12.10. I also had to reinstall GRUB, but after rebooting my machine and selecting "Ubuntu" from the list, a black screen appeared. Following this suggestion, ...
I just installed Ubuntu 12.04 on my laptop. Since I couldn't start the installer and only got a "Black screen" I had to start it with the "nomodeset"-parameter. The installation went fine, after ...