Some users have reported the scanner failing to wake after the computer goes into sleep mode. A common fix is to unplug and replug the device or to disable "Allow the computer to turn off this device to save power" in the device's Power Management settings. Windows Hello Failure:

is a compact, USB-based biometric scanner designed to enable Windows Hello login functionality for desktop and laptop computers.

often installs automatically via Windows Update, but it may require manual intervention in some environments. Plug the reader into a USB 2.0/3.0 port. Ensure you have an active internet connection.

The easiest way to get the driver is through the operating system itself: the Benss USB dongle. Go to Settings > Accounts > Sign-in options . Select Windows Hello Fingerprint .

Sometimes, Windows Update will install a generic "Synaptics" or "Validity" driver instead of the specific Benss driver. While these often work, they can cause lag or failed scans.

These devices rely on capacitive or optical scanning technology. But without the correct , your operating system sees nothing more than an unidentified USB device.