Problem while installing GNOME 3 on Ubuntu 12.10?

hi friend i'm using windows and ubuntu on my lenovo G580 Laptop which has 4GB RAM and i5 3rd generation processor.Now the problem is i tried to to install GNOME 3 on my laptop.after installed using some gooled site instructions,i got an notification that `my disk space is full so clean space`so i've cleaned TRASH and also update all packages using `sudo apt-get update`.After done these things i've restart my system.


Now i can do anything when i try to start ubuntu in my i 've got following screen : http://www.google.co.in/imgres?imgur...ed=0CDgQrQMwBg


can anyone tell me what m suppose to do 'm new to linux?

hm, you does not tell us how you have installed it :(
so here is how i do : http://ubuntuforums.org/showthread.p...1#post12495221

and instead of following some untrusted urls found on the net, please use the ubuntu way (found inside ubuntu trusted howto/kiwi/community)
https://launchpad.net/~gnome3-team/+archive/gnome3

to make some more room :

Quote:

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sudo apt-get autoremove

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actually i've followed this way http://spacemonkeypdx.blogspot.in/20...u-1210.html.so what 'm suppose to do now?,is my os crashed?

where 'm suppose to give the above command?can you please elaborate this to me!