Windows 10: Activation after hardware change failed (win 10 pro)

I upgraded from 7 to 10 quite a while ago. Everything was fine for over a year and now i've upgraded some hardware and suddenly my windows required activation but notning works.


How can I resolve this?

:)

 

Activating Windows 10 Pro After a Hardware Upgrade!

I followed all the steps to linking my Windows 10 Pro to my Microsoft account so that I could upgrade my hardware, reinstall Windows 10 Pro, and activate it, but it's not working. I'm signed into my Microsoft account. I tried the activation troubleshooter,
selecing that I recently changed hardware, etc. Nothing is working. I can see my old computer under my Microsoft account, as well as my new one (with better hardware). I changed the motherboard, ram, and CPU. Any suggestions would be wonderful.

 

Windows 8 Pro Retail => Windows 10 Pro (Free upgrade) Fails Activation after hardware change

Hi,

I bought 2 retail licenses (one for my desktop and one for my laptop) for Windows 8 several years ago and upgraded to Windows 10 (via the free upgrade). Recently I had to change some hardware (motherboard) and I get the following error code when trying to
activate Windows: 0xC004C003.

I have tried the following, all of which have failed.

1. Troubeshoot -> I recently changed hardware on this device (I can only see my Laptop License and not my desktop)
2. Provided the Installation ID (via phone helpdesk) on two occasions.

First help desk technician suggested I buy a new Windows License and the second suggested I reinstall and use Windows 8. Both suggestions from help desk are ridiculous.

How do I proceed without having to:

1. Pay for a license I should technically already have
2. Downgrade back to Windows 8 (loose time / data)

 

Win 10 Pro OEM activation issue

Hello Larry,

Significant hardware changes such as replacing your hard drive or motherboard may lead to issues in activating Windows 10. To better assist you and provide you with the appropriate resolution, we would like to know a few more information. Kindly answer the
questions below:

• Did Windows 10 Pro came pre-installed with your computer?
• Do you have the Windows 10 Pro installation disc available?
• Are you getting any error messages when trying to key in your activation code?
• Were there any significant hard ware changes done on your computer?
• What were the exact troubleshooting steps you and the MS support teams have tried?

As an initial recommendation, you may check on this article and follow the steps provided to run the Activation troubleshooter:
Using the Activation troubleshooter.

We'll be waiting for your response.