PEFIS FingerKeeper(USB Serial) Device (COM8) Driver

The PEFIS FingerKeeper(USB Serial) Device (COM8) driver helps Windows recognize the connected USB device and communicate with it through a serial COM port. If your device appears as unknown hardware, shows a warning in Device Manager, or cannot connect to its software, you may need to install or update the appropriate driver from the manufacturer.

Key Features

• USB-to-serial communication: Enables compatible software to exchange data with the device through its assigned Windows COM port.
• Device recognition: Helps Windows identify the connected hardware rather than list it as an unknown USB device.
• Windows compatibility: Choose a package intended for Windows 11, 10, 8, or 7, matching your system’s architecture. Confirm support in the package documentation before installation.
• COM port access: Allows applications that use serial connections to select the device’s assigned port. Although the device name includes COM8, Windows may assign a different port after reconnection or installation.

How to Install PEFIS FingerKeeper(USB Serial) Device (COM8) Driver

1. Check your Windows version. Open your system information and confirm your Windows edition and whether it uses a 32-bit or 64-bit architecture. For Windows 10/11, you can find this under Settings > System > About.
2. Verify the download. Before starting a PEFIS FingerKeeper(USB Serial) Device (COM8) driver download for Windows, check that the package matches your hardware and operating system. Prefer the manufacturer’s official source, and verify any free download offer before running the installer.
3. Install the package. If the download includes a setup program, follow its instructions, including any directions about when to connect the device. If it contains driver files only, extract them to an accessible folder.
4. Update through Device Manager if needed. Find the device under Ports (COM & LPT) or Other devices, right-click it, select Update driver, and choose Browse my computer for drivers. Point Windows to the extracted folder.
5. Confirm the connection. Restart if prompted, then check Device Manager for warnings and note the assigned COM port. Select that same port in the software that communicates with the device.

Keep the driver updated when the manufacturer releases a compatible revision that addresses your issue or supports a Windows change. Check the latest version against your installed driver and review compatibility notes first; a working setup does not necessarily need an update just because a newer package is available.

Common Issues and Fixes

• Install fails or driver won’t load: Uninstall any existing USB serial driver for the FingerKeeper, reboot, then run the vendor installer as administrator. If Windows blocks it, check driver signature enforcement and use the signed vendor package.
• Device not detected / no COM port: Try a different USB port and cable, then check Device Manager for unknown devices or port errors. Confirm the FingerKeeper appears as a USB Serial device and that COM8 is assigned; if not, update the driver from Device Manager.
• COM port conflict or version mismatch: Remove stale COM port assignments and old driver versions in Device Manager, then reinstall the current manufacturer driver. Reboot and reselect the correct COM port in the fingerprint software.