So if you still have this sticker, here is how to find your product key of the dead Windows computer: The COA sticker is printed with the system product key number.

For example, when you purchase a Windows operating system like Windows 7, you'll get a package that includes the system installation CD, a COA sticker, and some documental files. The Certificate of Authenticity is also named a COA sticker which often comes with a Windows package. Find Windows Product Key of A Dead PC from COA (Certificate of Authenticity)

For the quickest solution, Method 4, EaseUS Key Finder software is worthy of trying.  EaseUS Editor's Pick: For those who still keep Windows installation COA, or have Microsoft Accounts, try the first three methods. Applies to: Find Windows product key from a dead or unbootable computer.Supported OS: Windows 11/10/8/1/8/7, XP/Vista, and Windows Servers.

Here is a list of all possible ways that you can turn to and try each one of them to find a Windows product key from a dead computer or unbootable laptop: 4 Ways to Find Windows Product Key from a Dead PC We'll be showing you the details of how to recover or retrieve the product key of Windows or installed applications from a dead or unbootable computer with ease. In that case, you want to find the Windows product key before system reinstallation, stay here.

Suppose you are having a similar case that your computer or laptop seems dead or suddenly becomes unbootable. Can someone suggest how I can get my license key from my WIN 10 system which cannot come up? I powered it on again, and it went to BSOD a few seconds after the display of the DELL logo. I had to hold the power key for 10.15 sec to power it off. How to get Win 10 license key from a dead laptop? Yesterday morning when I started my laptop (Dell 7140), it went into BSOD and will not restart after 100% data collection.

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