The DigitalPersona U.are.U 4000B is a USB fingerprint reader, not a printer. Its driver allows Windows to communicate with the sensor so compatible software can capture fingerprint images for enrollment and identity verification. For Windows 11, 10, 8, or 7, choose a driver package that explicitly supports your operating system and system architecture, as support can vary between releases.

Key Features

• USB device recognition: Helps Windows identify the U.are.U 4000B and make it available to compatible fingerprint applications.
• Fingerprint capture support: Provides the communication layer needed for software to collect fingerprint data from the reader.
• DigitalPersona software integration: Works with supported DigitalPersona components and applications designed for this hardware; additional software may be required.
• Device troubleshooting: Installing the correct package can resolve missing-driver errors or recognition problems caused by an incompatible installation.

How to Install

1. Check your Windows configuration. Confirm your Windows version and whether your system uses a 32-bit or 64-bit architecture. Verify that the download specifically lists the DigitalPersona U.are.U 4000B and your configuration.
2. Prepare the reader and software. Close any application that uses the fingerprint sensor. Follow the package instructions about whether to disconnect the reader before installation. If replacing an existing driver, review the removal guidance first.
3. Install the driver package. Extract the download if necessary, then run its installer with administrator permissions. If the package contains only driver files, use Device Manager’s Update driver option and browse to the extracted folder.
4. Connect and check the device. Restart Windows if prompted, then connect the reader directly to a USB port. Open Device Manager and confirm that it appears without a warning icon.
5. Test fingerprint capture. Launch compatible fingerprint software and follow its enrollment or testing procedure. If the reader is not detected, check the application’s hardware requirements and try another USB port.

A successful driver installation does not automatically enable Windows Hello or other fingerprint sign-in features. Those functions depend on the driver type, application support, and compatibility with your Windows version.

Common Issues and Fixes

• Installer fails or rolls back: Run the DigitalPersona/U.are.U installer as administrator, close antivirus temporarily, and remove older DigitalPersona software first. Reboot before reinstalling and use the package matching your Windows version.
• Device not detected: Connect the U.are.U 4000B directly to a rear USB 2.0 port, not a hub. Check Device Manager for unknown or biometric devices, reseat the cable, and reinstall the driver. Test on another PC to rule out a faulty reader.
• Version conflicts or Windows Hello errors: Uninstall all DigitalPersona and U.are.U entries, remove hidden devices in Device Manager, reboot, then install only one driver package. Disable other fingerprint/biometric software if enrollment still fails.