Windows provides system-supplied HID mapper drivers for HID keyboard, and HID mice devices. The mapper driver maps the I/O requests and data protocols of one to the other. A HID mapper driver is a kernel-mode WDM filter driver that provides a bidirectional interface for I/O requests between a non-HID Class driver and the HID class driver. Keyboard and mouse HID client drivers are implemented in the form of HID Mapper Drivers.
Keyboards and mice represent the first set of HID clients that were standardized in the HID Usage tables and implemented in Windows operating systems. This topic discusses keyboard and mouse HID client drivers. Troubleshoot a wireless mouse that does not function correctly.Mouse, touchpad, and keyboard problems in Windows.If you are looking to fix a mouse or keyboard, see:
This topic is for developers who are creating drivers for keyboard and mouse HID clients.
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