Show hidden devices in Device Manager

  • Click Start, point to All Programs, point to Accessories, and then click Command Prompt.
  • At a command prompt, type the following command , and then press ENTER:
    • set devmgr_show_nonpresent_devices=1
  • Type the following command a command prompt, and then press ENTER:
    • start devmgmt.msc
  • Troubleshoot the devices and drivers in Device Manager.
    • NOTE: Click Show hidden devices on the View menu in Device Managers before you can see devices that are not connected to the computer.
  • When you finish troubleshooting, close Device Manager.
  • Type exit at the command prompt.