Windows 10: Windows 10 Pro wont reactivate on my new computer after replacing it and keeping same Hard...

My old PC died, wont even boot. I used to own Windows 7 professional and had the free upgrade to Windows 10, I have reinstalled windows 10 on my old pc in the past with my digital license without any problems, now I'm unable to active it on my new pc, I have tried a few times with the trouble shooter and the hardware change it always failed, I decided to login the to Microsoft page and saw both computers, the old dead one and the new one, I deleted the old one, still can't reactivate my new pc, it's like the information is stored in some sort of licence manager at Microsoft and it just won't update. Any suggestions ?

:)

 

Motherboard change unable to reactivate Windows 10 Pro -


I have searched this topic and everything seems to be almost a year old. This is a homebuilt machine circa 2015. It started with an ASUS FM2+ motherboard with an AMD A5600K processor. It was Windows 7 Pro, upgraded to Windows 8.1 Pro then to Windows 10 Pro.
Saturday the motherboard died. An exact replacement could not be located so a Gigabyte card was installed. No changes to the hard drives. Booted the machine and Windows automatically started and then did a "revert" then installed the latest updates. C Drive was in the red so I deleted all of the old install files using Windows Clean-up. Went to reactivate, checked the significant hardware change and entered my MS account information - The computer (none of my computers) were listed and now it is telling me that I have to spend $200 to buy a copy of Windows 10 Pro.
Have not yet called Customer Support as the computer is at home and I work during the day -
I do have a disk image or two that may be a year old -

Suggestions - should I just shell out the $200 and move on

TIA

 

Motherboard change unable to reactivate Windows 10 Pro -

Activate using windows 7 pro key.

 

Replacing Hard Drive & Windows

When you upgraded from a previous version of Windows or receive a new computer preinstalled with Windows 10, what happened is the hardware (your PC) will get a digital entitlement, where a unique signature of the computer will be stored on Microsoft
Activation Servers. The Windows 7 or Windows 8 genuine license you were previously running will be exchanged for a diagnostics key.

Anytime you need to reinstall Windows 10 on that machine, just proceed to reinstall Windows 10. It will automatically reactivate.
You will prompted to enter a product key a couple times through the installation, click I don't have a key and Do this later.

There is no need to know or get a new key, but if you have issues with Digital Licensing or the Activation Troubleshooter, you can utilize an existing Windows 7 or Windows 8/8.1 product key
you already ownto reactivate if necessary. or use the reset function in Windows 10.

Step 1: How
to download official Windows 10 ISO files

Step 2: How to: Perform a clean install of Windows
10

• • The copy of Windows 10 you download and upgrade from will correspond with the edition of Windows you have installed, if it does not, this is why you might be experiencing problems activating:

• Windows 7 Starter, Home Basic, Home Premium, Windows 8.0 Core, Windows 8.1 Core
  will install Windows 10 Home
  

• Windows 7 Professional, Windows 7 Ultimate, Windows 8.0 Pro, Windows 8.1 Pro
  will install Windows 10 Pro

So, make sure you reinstall the correct edition of Windows 10.

You might be able to recover the data from the old hard disk, see:

How
to recover data from a non booting hard disk