You upgraded your PC. New motherboard. New CPU. Maybe new Wi-Fi card. Windows 11 wakes up, looks around, and says, “Who are you?” Now activation is broken. Drivers are missing. Your microphone has vanished like a sock in the laundry. Do not panic. This is fixable. TLDR: After a hardware upgrade, Windows 11 may think it is on a new device. This can cause activation errors, missing drivers, and...

