I just re-installed my Ubuntu server, twice, the installation works just fine it completes without errors and ask for reboot which I let it do. After that the machine starts as normal but the screen goes black when Grub usually loads. After that nothing happens.
What can it be?
try hitting right "shift" when booting to access grub. press "e" to edit grub. look for the line that has "quiet splash" in it. write nomodeset after that line with a space before and after. press f10 to reboot. then it should be a matter of finding drivers for your graphics card.
worked for me.
