Ok, now you get to dive in
Login as root (assuming you didn't already) by logging out:
And then typing for the username:
And enter the root password you typed during the install.
Case sEnSITive of course
Run through that, it will be asking some funny questions, most of the time the default card is actually the one you have. In the rare instance it's not, scroll up and down the list and find yours. Select it, hit OK, and move on down the line. Get your resolution, if you don't know specs on your monitor, usually the default is OK (again) but can often be the bain of headaches for setting up the X server (what we are doing). So I usually tend to stand shy of what I think the maxes my monitor can handle are, and then after I get things running, go back and test better resolutions/color depths.
You can run the test, but often the test doesn't work. After you are done, highlight "quit" tap OK and try:
Again. This is going to be tedious doing this over and over until things work out, but once it gets all sussed and you finally get X setup, you'll be in a graphical environment and will have an excellent sense of accomplishment