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Windows 7 install reporting Invalid Key
I bought a new hard drive, dug out my genuine install disk and did a clean install on a new, formatted and partitioned drive of "Microsoft Windows 7 Professional Upgrade - 64 bit". Everything went swimmingly, it activated and worked great. So far so satisfactory. A month later, the hard drive died so I sent it back and shortly after received a replacement.
So I started the install procedure again, it got to the bit where I enter the product key and it said "Invalid key" and would not let me progress. I unchecked the auto activate checkbox, and still no success. I quadruple checked the product key, comparing it to the email I received when I purchased it in 2011 to make sure I'm not mixing up my Bs and 8s etc. It's not connected to the internet yet so it's not an activation problem.
There is nothing different between this install and the previous install except it's physically a different drive. It's the same model as the previous drive and no other hardware has been changed.
What's going on?
Last edited by bigyeti; 19 Aug 2016 at 09:47. Reason: Added details