please help. cd drive problems.

when i try to install my dial up software for windows p it keeps saying.
installation failed. could not find modem device for this driver. i have a compaq presario v5000 and a toshibamk8025gas disk drive. where can i get the driver.

Try here:

Compaq Presario V5000 Notebook PC series- Download drivers and software - specify product name - HP Business Support Center