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My computer boots to a black screen, what options do I have to fix it?

I just upgraded my stationary Dell to 12.04 but ran into problems. After restart I can log in but after that all I have is a black screen - nothing! No terminal to type any commands in... What shall I do?

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marked as duplicate by hhlp, James Dec 25 '12 at 3:21

This question was marked as an exact duplicate of an existing question.

When did it happen, immediately after reboot or after installing the video drivers? Can you go to a terminal session (ALT+FN – TheFiddlerWins May 22 '12 at 18:59
It happened directly after reboot. – Ann May 22 '12 at 20:11

what kind of VGA drivers you got ?

from the grub menu at start up choose recovery mode and from that choose failsafeX mode from there install the VGA drivers .

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