According to Dell's website the Windows licence is specifoc to each particular machine and its details are burned into the BIOS.
Is it possible that the original OS was Home edition (in which case the licence is not valid for Pro)?
Have you tried installing a Home edition?
bloggingtime 0 Newbie Poster
rproffitt 2,662 "Nothing to see here." Moderator
Dani 4,329 The Queen of DaniWeb Administrator Featured Poster Premium Member
marythodge4 -4 Newbie Poster Banned
tarael1 commented: All very valuable information. +0
tarael1 0 Newbie Poster
Be a part of the DaniWeb community
We're a friendly, industry-focused community of developers, IT pros, digital marketers, and technology enthusiasts meeting, networking, learning, and sharing knowledge.