You could try https://support.dell.com/support/topics/global.aspx/support/dellcare/en/backupcd_form
This will give you a system restore set (for US customers AFAICS) of the originally supplied operating system (which is presumably Vista on your system since you had a free downgrade to XP).
OK it is not a vanilla Windows disc but from a thread I read it appears it is a free service in the US (and delivered within a few days) and at least it should be pre-activated.
This will give you a system restore set (for US customers AFAICS) of the originally supplied operating system (which is presumably Vista on your system since you had a free downgrade to XP).
OK it is not a vanilla Windows disc but from a thread I read it appears it is a free service in the US (and delivered within a few days) and at least it should be pre-activated.








