Scr21u Smart Card Reader Driver For Pc Windows 10 X64 | Iris

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Some older x64 drivers may not be properly signed. For Windows 10, you can temporarily disable signature enforcement: IRIS SCR21U Smart Card Reader Driver For PC Windows 10 X64

Force the USB port to operate in USB 2.0 mode (via BIOS settings) or use a USB 2.0 hub. The most reliable source for the is through: