Windows 10 often disables the Smart Card service to save resources.
Some Windows 10 updates completely changed the USB stack. Your BIOS may be handling USB 3.0 in "XHCI" mode which breaks Setool2's timing.
Steps:
After booting into Windows 10, plug the reader into a rear USB port (directly on the motherboard). Test Setool2.
Experiencing the "Smart Card Not Found" error in Setool2 on Windows 10? You are not alone. Setool2 Smart Card Not Found Windows 10 -
For professionals in mobile forensics, SIM cloning, and advanced GSM/UMTS testing, Setool2 (also known as SE Tool or Smart-Clip) is an indispensable hardware interface. However, since the release of Windows 10 (and its subsequent cumulative updates: 1809, 1903, 20H2, 21H1, 22H2, and Windows 11), users have faced a persistent, frustrating roadblock: "Setool2 Smart Card Not Found."
This error effectively bricks your hardware, preventing the software from initializing the smart card that holds the license and drivers. Windows 10 often disables the Smart Card service
Why does this happen? Microsoft dramatically changed the driver signing policy and the Smart Card service architecture in Windows 10. Legacy drivers (often unsigned or using old APIs) fail to load.
Do not throw your Setool2 box away. This guide provides 7 proven solutions to force Windows 10 to recognize your Setool2 Smart Card. Save and Exit (F10)