well, after you login try using the command startx to start the gui. if that doesn't work, type this:
startx > /home/YOURUSRNAME/tmp/debug.out 2>&1
that will try to start X windows, and write any errors to the file debug.out, located in the tmp folder of your home directory. so post that up here by copy and pasting what appears when you
you might also want to try configuring XFree86, by typing xf86config in one of the following locations:
here's a site with some helpful information on beginning linux, and i've given the link for the specific page that deals with this process: http://www.fokus.fhg.de/linux/LDP/ru...00000000000000
i hope that helps, and when you have more specific info post it up for us!