. Windows will automatically attempt to reinstall the driver upon reboot. 4. Adjust USB Power Settings
USB Ports Not Working on Windows: Solve Common USB Issues | Dell US
for 30 seconds to drain residual electricity from the motherboard. Plug everything back in and restart. Reinstall USB Controllers Right-click the Start button and select Device Manager . Expand the Universal Serial Bus controllers section. port- 0009.hub- 0003
Driver issue Port_#0004.Hub_#0002 unknown device - HP Community
: When a network fault occurs, technicians can immediately identify the exact physical or logical location of the failure [1]. Adjust USB Power Settings USB Ports Not Working
: Traffic from this port can be strictly monitored and filtered, limiting the blast radius of a potential security breach [1].
A momentary surge has caused the port to "gatekeep" or shut down for safety. Expand the Universal Serial Bus controllers section
: Use the Windows Device Manager to find the "Universal Serial Bus controllers" section, right-click the failing device at that port, and select "Update driver".
: This is the 9th individual connection point on that specific hub. High port numbers often suggest the device is connected through a multi-port expansion dock or a complex internal motherboard routing. Are you trying to identify a specific device that isn't working, or are you looking for for a particular piece of hardware?
: If a device draws more power than the port can provide, Windows may disable the port and list "port- 0009.hub- 0003" as the location of the failure.