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Go to:
https://www.gemalto.com/download (Gemalto/Thales now supports many CCID readers)
Or more directly, the open-source CCID driver installer for Windows:
https://ccid.apdu.fr/
On that page, download “CCID driver for Windows” (setup executable).
This supports EZ100PU out of the box.
Before diving into the installation, it is crucial to understand the technical barrier. The EZ100PU is a CCID-compliant (Chip Card Interface Device) reader, but it uses a proprietary chipset (often the PL-2303 or a similar USB-to-serial bridge) that requires a specific driver package.
Windows 11’s in-box drivers support generic CCID readers, but the EZ100PU’s firmware often demands a vendor-specific driver to handle APDU commands (Application Protocol Data Units). Without this driver, you will see a yellow exclamation mark in Device Manager labeled “Unknown USB Device” or “Smart Card Reader” with an error code 28 (drivers not installed). ez100pu smart card reader driver windows 11
Key challenge: The original drivers released for Windows 7/8.1 are unsigned or use the old SHA-1 algorithm. Windows 11 forcibly requires SHA-256 signed drivers for kernel-mode installations.
1. "Device cannot start (Code 10)" This usually indicates a conflict with Windows security features.
2. The reader is detected but the card does not work If the "Smart Card" service is not running, the driver will load, but the computer will not read the chip on the card.
The standard installer may fail on Windows 11. Use compatibility settings: Go to: https://www
As of early 2026, Windows 11 24H2 has become the baseline. This update removes support for legacy unsigned kernel drivers entirely. If you are using an EZ100PU manufactured before 2018 with a pre-6.7 driver, your reader will stop working after the update.
The solution: You must purchase a newer EZ100PU (revision G or later) or download the WHQL-signed driver from ACS dated December 2024 or newer. The old "disable signature enforcement" trick no longer works permanently on 24H2.
Leo was a digital relic hunter, the kind of IT consultant who specialized in making ancient hardware talk to modern operating systems. His latest challenge? A dusty EZ100PU Smart Card Reader and a sleek, unforgiving Windows 11 workstation.
The device looked like a gray pebble from 2005, but for his client—a retired intelligence officer—it held the only key to an encrypted cold-war era archive. Before diving into the installation, it is crucial
"Windows 11 won't even acknowledge its existence," Leo muttered, watching the "Unknown Device" flag mock him in Device Manager. The official manufacturer site was a graveyard of broken links and "Not Found" errors. He wasn't just looking for a driver; he was looking for a ghost.
He spent the night diving into archived Taiwanese FTP servers, eventually finding a file buried in a folder named simply 2013_Final. He didn't just install it; he had to perform a digital seance. He disabled Driver Signature Enforcement, entered the BIOS like a thief in the night, and manually forced the system to accept the archaic .inf file.
As he clicked "Update Driver," the room felt quiet. For a tense minute, the progress bar hovered at 99%. Then, the EZ100PU’s tiny red LED flickered to a steady, confident green.
The reader hummed. The card was recognized. On the screen, a folder appeared that hadn't been opened in twenty years. Leo didn't look at the files—he just took his payment and left, knowing that sometimes, the hardest part of the future is just building a bridge to the past.
