On a floppy disk A, how do I navigate to my C drive?

[josh1billion]

EDIT:

This subject better asks my question, now that I know that the problem is that the bootup floppy disk with MS-DOS isn't recognizing my C drive. I searched and a website said that with larger hard drives it may be due to a "disk drive overlay" not being loaded by the time I boot up the floppy. My hard drive is 80gb running on a somewhat-old Pentium II-based computer, so I thought the "disk drive overlay" might be my problem, but then for a solution it says on the website that it should say "Press *key combination, such as CTRL+Escape* to boot from floppy" and that if that message does not appear then I probably don't have DDO-- I don't get the message.
Any help now?

ORIGINAL MESSAGE:

I'm trying to install DragonLinux. To do so, I have to go to DOS (from a bootup flopy disk, since I'm using Windows 2000), then navigate to C:\DRAGON\setup\ and run setup.bat there.
The problem I'm having is DOS doesn't want to leave the A:\ drive as its working directory. I've tried typing "cd C:\" and "cd C:" and "cd C" and "C" and "C:" and "C:\" etc etc etc.. all without quotes, of course. I usually either get something like "invalid drive" or "invalid directory."
Any help, anyone? Please reply as soon as possible. Thanks!