HP Pavilions with Windows XP do not have recovery CDs, they use a hidden partition on the hard drive to store the information instead.

Perform a recovery in Windows XP use one of the following two processes:

1 - Starting recovery when the computer is booting

Turn on the computer.

When the initial blue HP screen appears Press the "F10" key.

A Recovery menu will appear.

Click on "NEXT"

and then click on "YES"

Your system will now go through the product recovery

2 - Starting recovery within Windows XP

From the Desktop, click "START".

Then "ALL PROGRAMS"

Then "HP TOOLS"

Then Click on "HP PC SYSTEM RECOVERY"

You will now be asked "Do you really want to start HP PC System Recovery?"

Click on "YES" to continue.

Your system will now go through the product recovery