If you want to view hidden devices that are not typically shown by the Device Manger follow the steps listed below:
1) Click on Start
2) Click on Run
3) Type cmd and click on OK
4) Type set devmgr_show_nonpresent_devices=1 and press Enter.
5) Type start devmgmt.msc and press Enter
6) When Device Manager loads click on View and select Show hidden devices.