Laptop Smart Card reader driver failing at boot
4.5
The driver for the reader doesn't load in time for BitLocker to use it.
Symptoms
- Reader not working at boot
- Works in Windows
- Boot hang
Possible Causes
- Driver not in boot start
- BIOS incompatibility
- Firmware bug
Step-by-Step Fix
1
Update BIOS
Fixes pre-boot hardware initialization.
2
Use Microsoft Driver
Generic MS drivers often work better at boot than vendor ones.
3
Check BIOS "Fast Boot"
Disable it to give hardware more time to initialize.
When to See a Technician
Disabling "Fast Boot" in BIOS often solves pre-boot hardware detection issues.
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