I just had the first class on UNIX on the University of Phoenix, our instructor had a CD of KNOPPIX, and he put on his computer, and the program came up fast and installed right away....We all got a copy of that CD, but when I tried to put it on my desktop (and on my laptop too) it did not work...The only message I got is the screen that reads in DUTCH or in ENGLISH, and at the left the directions to go to BIOS and to set it to Boot from the CD....But since I do not have very much computing knowledge, I would like somebody to help me in the steps....Also I already have installed Red Hat 9 on my both machines...I will appreciate some help...

You need to set up your CD-ROM drive as the first device to boot from in the BIOS. BIOS setup is usually invoked by pressing F1, F2 or Del during the initial start up. Often, you will actually see the button to press in the corner of the splash screen. Once in BIOS setup, you would find the boot order setting and move the CD drive to the top.

to install redhat, your computers must have booted from a cd. That does not make sence. Unless you did not install redhat yourself.