🔑 Fix Windows Activation After Hardware Change

Last updated: December 4, 2025

Re-activate Windows after replacing your motherboard, hard drive, or other major hardware components

Overview

After replacing major hardware like your motherboard or hard drive, Windows may deactivate and show 'Windows is not activated' warnings. This guide shows you how to use the Activation Troubleshooter, Microsoft account link, product key re-entry, and phone activation.

What this helps with

What to expect: Easy difficulty • usually about 10-20 minutes.

This is one of 30 Recovery & Emergency Fixes fixes in the WindowsHelper library. The full step-by-step fix lives in the WindowsHelper app.

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