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EmmettBrooks's avatar
EmmettBrooks
Iron Contributor
May 22, 2026

Power was lost during a Windows 10update, and the system shows as unactivated after restarting

The computer was working fine, but there was a power outage while the system was updating. After restarting, it displayed a message saying that Windows is not activated. This computer has been working normally for three or four years and has never had any activation issues before. Could the power outage have caused the activation to fail? How can I reactivate it?

1 Reply

  • Alexx0's avatar
    Alexx0
    Brass Contributor

    I think you got in the least trouble. Somebody actually corrupts their ENTIRE OS to outages. You can contact support or just buy a new key. Be sure that no outages happen while BIOS or Windows is updating. Have a great day.