The restore disk at this point is useless. Until I am able to at least get to the DOS command prompt to My hard drive(C

I am virtually at a stand still.
Nothing I have tried (and I have been at it for 13 hours now!) will allow me access to the C: drive.
I cannot perform a system restore because the "system" cannot detect the user partition. The WinXP CD does no good because it refuses to do an install repair because the user partition is unavailable. I have used a set of WinXP boot disks and that gets me knowwhere...............