Without the specific driver, the XG881S is often recognized by the operating system as a generic "Human Interface Device." While this allows for basic functionality, it strips away the device's advanced features. Force feedback (haptics), precision dead-zone calibration, and the mapping of multiple axes (throttle, rudder, and stick) often fail or map incorrectly without the specific XG881S software. Thus, the user’s search for the driver is not merely an administrative task, but a requirement to unlock the full potential of the hardware.