xp start up problem

Do you have a floppy in the floppy drive or a CD in the
CDROM drive?

Remove it then press any key to continue.

>-----Original Message-----
>when I start my computer I get a black screen with the
>message, Non-System disk or disk error. Replace and
>strike any key when ready.
>How do I get my computer to start in the correct manner?
>.
>