How to Unconfigure a USB Device

You can unconfigure a USB device that is still physically connected to the system, but a driver will never attach to it. After the USB device is unconfigured, the device is visible in the prtconf output.

1. Become superuser.

2. Unconfigure the USB device.

   # # cfgadm -c unconfigure usb0/4.7 Unconfigure the device: /devices/pci@8,700000/usb@5,3/hub@4:4.7 This operation will suspend activity on the USB device Continue (yes/no)? y

3. Verify that the device is unconfigured.

   # cfgadm Ap_Id Type Receptacle Occupant Condition usb0/4.5 usb-hub connected configured ok usb0/4.5.1 usb-device connected configured ok usb0/4.5.2 usb-printer connected configured ok usb0/4.5.3 usb-mouse connected configured ok usb0/4.5.4 usb-device connected configured ok usb0/4.5.5 usb-storage connected configured ok usb0/4.5.6 usb-communi connected configured ok usb0/4.5.7 unknown empty unconfigured ok usb0/4.6 usb-storage connected configured ok usb0/4.7 usb-storage connected unconfigured ok