Computer update!
Okay, yesterday (Friday), I went to the Internet place and talked to them about not being able to get online. They said there was most likely no driver for the modem installed. They also said that was probably the case with my sound card as well. So the computer was taken to Staples to fix these problems. Staples directed me to this guy in town who does computer support, because apparently they doesn't have technical support anymore.
The guy I went to worked wonders on the computer. He installed the necessary drivers off a disk in about twenty minutes. I had Internet and audio capabilities again! He even gave me the disk.

What's more, he gave me a set of Linux CDs, Mandrake 10.0, for me to try out on the computer, since I was having trouble with the set I already had, Mandriva 2005. It installed easier and more quickly.
I am liking Linux.
I've figured out about an hour ago (correct me if I'm wrong) that Mandriva 2005 is a bit newer than Mandrake 10.0, so I think I could do an upgrade with the CDs I got from vslayer. I'll be doing that in just a bit. Afterwards, I need to find another driver I can install for the modem, so I can connect to the Internet through Linux too.
That's about all for now.
UPDATE: I upgraded. It went through the whole process pretty cleanly. But now I have a new problem. When I try to boot into Linux, just after it lets you choose what account to sign in to, it sits there with its hourglass, "loading" Linux. It sits there forever and makes no progress. What could be the cause of this?