a. When the Microsoft Windows 98 Startup menu is displayed, select the Start computer without CD-ROM support menu option, and then press ENTER.
b. At a command prompt, type fdisk, and then press ENTER
select yes
Select yes
Delete the partition by selecting 3 and then usually 1, if not the choose 2 or 3
hit the esc key
Then make a new partition by choosing 1 and 1
reboot
select 1
once you are at the a prompt type
Format c: hit yes
and thats it
once finished, install xp cd and install