Laptop security key not recognized
4.5
A physical USB security key (like YubiKey) fails to authenticate.
Symptoms
- Key ignored
- "Insert key" prompt persists
- Error code
Possible Causes
- USB port issue
- Driver missing
- Key not registered
Step-by-Step Fix
1
Try Different Port
Ensure the USB port is working with other devices.
2
Update Smart Card Drivers
Check Device Manager for "Smart cards" or "Security devices".
3
Verify Registration
Ensure the key is correctly linked to your Microsoft account.
When to See a Technician
Security keys often require the "Smart Card" service to be running in Windows.
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