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How do I reset my Windows 10 after replacing motherboard

After some performance issues my Windows 10 Sony Vaio finally stopped working, I took it to the shop and they said it was the motherboard and basically were not prepared to do any more.

Out of interest I did look and found a working motherboard for my laptop on Ebay and decided to attempt to change it, more as an interesting project than anything else. Well, I have impressed myself by actually changing out the motherboard and the laptop does now attempt to boot up, but now shows the following error message "Operating System Not Found".

I have no documentationon on previous Windows 10 operating system, vaguely remember buying the upgrade via my company's employee products page.

To get my laptop working again does this mean I have to buy the full package again?

Hi AndrewFinlay1, my name is Ferdinand, I am an Independent Advisor.

If your PC came with a pre-activated license which is an OEM key, that dies along with the motherboard, if you change the motherboard you will need to buy a new license for your PC. If you bought a separate license for it then you will just need to install Windows 10 back and re-enter the product key during the process of Reset.
Here is how to do a clean install using a USB media tool.
https://answers.microsoft.com/en-us/windows/for...

If you do not have any license for your Windows, you will need to only buy the license either from Microsoft Store or from Microsoft web store.

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Last updated May 18, 2021 Views 689 Applies to: