The tech may have been correct though, it may be that its simply isnt 100% win10 compatible .
Given its age & actual value : The tech had 2 choices, spend possibly nonchargeable HOURS trying to get it to work 100% on Win10 , and possibly failing after all that time, or just say its unsupported & doesnt work with Win10 .
I would just load Win8.1 on it , as thats supported.
8.1 isnt that bad , if running on an SSD . You can even get the start menu back (on 8.1) with various addons .
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