Last Updated: October 2025
Target OS: Windows 10 (21H2, 22H2, LTSC, Pro, Home)
Windows 10 manages smart cards via a specific service. If this service is disabled, the dongle will not be detected. Setool2 Smart Card Not Found Windows 10 -
If the service is stopped or the device is unknown, proceed to Solution #1. Troubleshooting Guide: Fixing "Setool2 Smart Card Not Found"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography\Calais\Readers USB Port: Do not use a USB 3
If you're getting a "Smart Card Not Found" error with Setool2 on Windows 10, it's usually because the system is missing the specific e-gate or Cyberflex drivers required for the hardware dongle to communicate with the software. Common Fixes for SETool2 on Windows 10
Locate the device (it may appear under "Other devices" or "Smart card readers" with a yellow exclamation mark). Right-click it and select Update driver Browse my computer for drivers