When a bus driver detects an arrival or removal of a child device, it reports that to the kernel-mode PnP manager. When the computer starts, the PnP manager builds this tree by using information from drivers and other components, and updates the tree as devices are added or removed. The device tree contains information about the devices present on the system.
The kernel-mode PnP manager maintains the Device Tree that keeps track of the devices in the system. Installing new devices with a matching driver package
Processing addition or removal of devices while the system is running The Plug and Play (PnP) manager provides the support for PnP functionality in Windows and is responsible for the following PnP-related tasks:ĭevice detection and enumeration while the system is booting
