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So I blew one of my HDs and decided to set up a Ubuntu 12.04 standalone system on my USB HD. Worked fine, but then I decided to create a startup CD that would incorporate my basic setup needs, so that I could have a truly portable computing system, wherever I go.

I installed the basic software that I use on every one of my systems and, when I rebooted to complete some of the install procedures, I could no longer access my partition by booting. Oh and it is the only OS installed, so no Grub interface.

EDIT: [Additional info] - All I get when I try to boot without LiveCD is a blank, dark screen, no prompt or options appear and although my USB HD is working(I can feel it), and seeing as though, when I insert a CD/DVD it pops back out, as if the PC is booting up already, I feel that if I could recover my install, that I wouldn't have to re-install from scratch ...not that that would bother me, I haven't had an OS installed for at least a month ...it's just that, in the eventuality of a crash, I have to re-install the stuff I REALLY like, like Opera and stuff.

Thanks again

EDIT: [Additional info] - I changed the hardware (display, sound, etc) to "system default", could that be it? If so, how can I change it back ...and how do I save the file once I have made the changes to it ...can't remember and I can't seem to figure it out, sorry, long time no program in Linux.

Thanks, one more time

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Can you be more specific than just " I could no longer access my partition by booting" please? :) –  Seth May 17 '13 at 2:33
    
I can access the partition only if I boot with a Live CD, in fact, since I have no other OS on my system, I can't boot UNLESS I use the Live CD –  jpl034 May 17 '13 at 2:53
    
"I can access the partition " Do you get any errors? What happens when you try to boot? –  Seth May 17 '13 at 3:00
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