Microsoft has pushed hard for and modern biometric authentication, but many government and corporate systems remain tethered to smart cards. As of 2025, there is no native in-box driver for Ez100pu in Windows 11. You absolutely must install the vendor driver.
The Ez100pu is a popular USB smart card reader used across Europe and Asia for:
If the reader powers on but fails to read your card, gently wipe the golden electronic chip on your smart card with a dry microfiber cloth to remove dust and oils.
Are you getting a (like Code 10 or Code 43)?
Historically, this device was popular during the Windows 7 and Windows 10 eras. The transition to Windows 11 has raised questions regarding continued support, as the hardware relies on specific USB-to-Serial bridge drivers to function correctly.
Right-click the downloaded .zip file and select . Choose a destination folder (e.g., your Desktop) and extract the contents. Step 3: Install via Device Manager Right-click the Start Button and select Device Manager .
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