You can not do that.
That XP disk from the Dell computer came preinstalled is classified as an OEM licence.
That means that it is tied to the original computer it is installed on, and the XP licence dies with the failed Computer.
Also, Dell tie their disks installation to their Motherboards
If you want XP, you will have to buy it, and ead below about Drivers, etc:
First, go to your computer manufacturer's website and check to see if your model computer has XP Drivers available for it..
If XP Drivers are not available for your Model, forget the idea.
If it has, download them and save to Flash drive or CD.
Next, buy an XP disk and Licence.
Save all your Data, as it will be lost during installation of XP.
Then follow the usual steps to do a clean install.
[http://www.winsupersite.com/showcase/windowsxp\_sg\_clean.asp](http://www.winsupersite.com/showcase/windowsxp_sg_clean.asp)
Once installed, reload ALL your other Programs from original Media, or download again.
Reload all Drivers and Utilities for your Motherboard.
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Mick Murphy - Microsoft Partner