after new install 12.04 black screen with blinking cursor

Posted by gregor on Ask Ubuntu See other posts from Ask Ubuntu or by gregor
Published on 2012-04-27T13:38:38Z Indexed on 2012/06/17 9:23 UTC
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boot

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12.04

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screen

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black

I installed 12.04 and I got after boot black screen.Next I started in filesafe mode but filesafeX (all options)do not work(black screen.Then I started root shell , remounted rw HD and on prompt built xorg.conf with: $>X -configure I have edited xorg.conf to delete obsolete monitors and screens. After reboot I get black screen with blinking cursor (no terminals) what can I do? how to edit xorg.conf when this could be a problem?## Heading ##

hardware:radeon hd5470 and i3 with i915

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