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Activation Error Code 0x803F7001?

post #1 of 6
Thread Starter 
Hi everyone. I'm trying to upgrade my old-ish laptop to Windows 10. Everything seemed to go flawlessly until I saw the watermark on my screen telling me to activate Windows. I followed the instructions but when I tried to activate Windows the attempt failed and I got an error code: 0x803F7001. Calling Microsoft was fruitless. They wanted a Windows key, and because I got this copy of Windows pre-loaded on the machine I don't have a key. Microsoft told me to contact Gateway, but of course gateway only offers support to people whose products are in-warranty. So I'm stuck.

Any help is appreciated,
Aidan
post #2 of 6
You can retrieve keys from installed Windows which was a good idea to do before upgrading if your PC didn't come with a sticker that has it which it should have IMHO.
Normally, try entering the key again and again, restart etc. this has resolved it for my friend. The second option is to call M$ and have them do the authentication over phone, for which of course they need the key.
This is some issue when installing Win10 from USB for some reason. But I guess not limited to it either heh. Darn M$.

Still try some key recovery on your current installation, maybe it's still stored there.

Nirsoft ProduKey works for me. I've had some other as well that worked too but dunno it's name, just search it should find these tools.
post #3 of 6
Thread Starter 
The only possible product key I see stuck onto tho laptop is a 22-character code labeled 'S/N'. Could that be it? In the meantime I'll try that software.
post #4 of 6
Quote:
Originally Posted by AidanofVT View Post

The only possible product key I see stuck onto tho laptop is a 22-character code labeled 'S/N'. Could that be it? In the meantime I'll try that software.

A Microsoft Product key especially for Windows is 25-characters. smile.gif
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post #5 of 6
Try the phone activation. Go to run and type slui4 and hit enter. Go through the stuff for the automated over the phone activation and see if that helps.
 
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i7 4770K MSI Z97S Krait XFX RX 480 Black Edition XFX RX 480 Black Edition 
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LG WH16NS40 Noctua NH-D14 Win 10 64-Bit BenQ XL2730Z 
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post #6 of 6
Thread Starter 
This turned out to be a plain ol' case of beg Microsoft for a new Windows Key. They couldn't figure out what the problem was.
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