Windows 10: Cannot activate Windows 10 Pro FPP after hardware change

Hi,I have legal Windows 10 Pro FPP license, installed on old laptop. I changed this laptop with new desktop pc, but kept hard drive with the installations. I tried to activate my FPP license on new machine, but it is marked as a OEM in my account. I remove my device in my account, but it is appeared again as a DESKTOP-8LMSU4R "To Be Filled By O.E.M." Can you remove me OEM and replace with FPP in order to reinstall again Windows 10 Pro FPP. Please see the pictures.If you want I can give you all information.Thank you in advance,NadiaPic1Pic2

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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.

 

Activating WIndows 10 after hardware change.

Before replacing my hardware on my main computer, I logged into my Microsoft Windows account. Once logged in, I saw that the name of the PC that I was upgrading was in my list of PCs that were activated for Windows 10 Pro. So after reviewing how to reactivate
after a HW changed, I went ahead and upgraded the motherboard, CPU and memory in that PC.

Now, when it is time to reactivate, the PC in question is still listed in the hardware list on my MS account but it will not allow me to activate Windows. I followed the instructions online and ran the troubleshooting tool. It then gave me the following
response:

Unable to activate Windows

We can’t find any devices linked to your Microsoft account that can be used for reactivating the device you’re using right now. Make sure you’re signed in with the same Microsoft account you linked to the
Windows 10 digital license on this device or try again later.

See other devices linked to your Microsoft account

So why would it not find the license that was for this PC when it had the old hardware installed? My assumption, albeit may wrong, was that the PC was activated because it was in the list. It was also activated as a Windows 10 Pro edition.

Anyone have any suggestions on this type of issue?

 

Unable to activate windows 10 after hardware change.

Was Windows 10 pre-installed into your system or did you purchase it?

Was it OEM license or FPP?

If it was OEM license or pre-installed Windows, motherboard change won't let you activate it, since it consider new hardware.

Take a look at:

https://support.microsoft.com/en-us/help/20530/windows-10-reactivating-after-hardware-change