Failed internet upgrade from 11. 04 to 11. 10
 

Hi everyone,
I most recently tried an upgrade from Ubuntu 11. 04 to 11. 10 and it turns out to be a total mess.
I left my laptop upgrading in a similar manner that i did when i moved from 10. 10 to 11. 04. Unfortunately, this time round my computer has a black screen upon starting it:(
Any help on what i may do to revive it without loss of data, is much appreciated

BTW, This is what appears with the black screen

" Ubuntu 11.10
. . . . . .* Starting anac(h)ronistic c[ok]
*PulseAudio configured for per-user sessions [ok]
*Stopping anac(h)ronistic cronlt/saned [ok]
Starting preload: preload.
*Checking battery state... ing system V initialisation compatibili[ok]
*Starting System V runlevel compatibility [ok]
*Starting CPU interrupts balancing daemon [ok]
*Starting deferred execution scheduler [ok]
*Starting regular background program processing daemon [ok]
*Starting LightDM Display Manager [ok]
*Starting ACPI daemon Ubuntu 11.10 [ok]
*Starting configure network devic. . . *Stopping cold plug devices [Ok]tibility
*Starting configure network device security [ok]*Starting configure network device security "




And thats all! It doesn't go anywhere from that point