Windows 10: Accidentally removed my laptop from Microsoft accounts - unable to add back in

I Accidentally removed my laptop from Microsoft accounts - unable to add back in i still have my serial number , getting this error >>> Register device>> We didn't recognize this serial number.i have to do add it on the web because my laptop was stolen and i am trying to located itWindows 10 64-bitAny Help will very appreciate it.

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Accidental removal laptop from Microsoft account

Hello,

I have several laptop's and desktop that ive logged my Microsoft account onto and I was recently going to sell one of my laptops and without being on the laptop that needed to be removed I accidentally remove the wrong laptop from my Microsoft
account now I can no longer log into it what do I do?

 

Remove account

I suggest you backup your personalized files first before removing the account.
To delete an account, follow these steps:

1. Press WIN + X keys and click Command Prompt (Admin) from the menu.
2. Type the following command and press Enter. Replace test with the name of your sister's account. Code:

 

Unable to remove my microsoft account from a linked pc

Hi Dave,

To help you with your concern in deleting your Microsoft account from a device, we'd like to ask a few questions:

• Have you tried deleting your Microsoft account directly from the old laptop?
• How did you go about removing the account from the old laptop?

Meanwhile, we suggest that you create a new local account with admin rights first, then remove the current Microsoft account by following the steps on this

article.

We look forward to your response.

Thank you.