OK, been a little busy. I actually was able to activate Windows 10 while working on another problem, but that is something else. So now back to getting my computer to work without using SATA drive...

C:\Users\Mike>BCDBOOT E:\Windows /d /addlast
Failure when attempting to copy boot files.


C:\Users\Mike>

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E: is a SATA external drive where I believe OS is cause when I unplug it my computer won't boot.

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It's been a while since I did this. I decided to upgrade to Win 10 from a licensed version of Win 7. I should have read up on it better when I did it cause I think I totally screwed it up. It went...