Recommend burning a super grub iso http://www.supergrubdisk.org/wiki/SGD_Howto_make|
and try to boot the system.
I am new to linux, just relating what work for me before so, this info is coming with a few grains of salt..
> Date: Mon, 25 Oct 2010 09:35:35 +0300
> From: firstname.lastname@example.org
> To: email@example.com
> Subject: Re: Upgrade to Squeeze failed
> On Du, 24 oct 10, 23:52:40, lrhorer wrote:
> > machine. Grub comes up, and if I let it boot to Windows, it works, but
> > if I select Linux (normal or recovery), very shortly after starting to
> > boot the video output from the machine just dies. I don't mean it goes
> > blank, I mean the video goes away altogether, as if the machine is shut
> > down. The monitor reports a loss of video signal, yet the PC is still
> > running and continues to access the hard drive.
> It might be related to modesetting, which can be disabled by kernel
> Offtopic discussions among Debian users and developers: