Quote Originally Posted by Paqman View Post
Not necessarily, a lot of machines have the license sticker stuck to them. It's not the actual disk you pay for with Windows, it's the license, which in the case of an OEM license stays with the machine.
Good point.

However, it was unprofessional of the repairer to wipe it without warning that they would do so. Check that it's not buried in some fine print somewhere before complaining.
Agreed. There is probably one of those 'cover our assets' clauses in their terms.