Laptop TPM + PIN + USB Key prompt failing

4.5

The boot process hangs or fails to ask for one of the three factors.

Symptoms
  • Boot hang
  • Missing prompt
  • Error on boot
Possible Causes
  • USB detection issue
  • TPM error
  • BIOS bug

Step-by-Step Fix

1

Check USB Port

Use a USB 2.0 port.

2

Update BIOS

Fixes pre-boot hardware handling.

3

Use Recovery Key

Bypass to fix the protectors in Windows.

When to See a Technician

3-factor authentication is prone to hardware timing issues; ensure BIOS is up to date.

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