Identify a PCI “unknown device”

When an “unknown device” appears in the “Device Manager”, it can be identified thanks to the “PCI vendor and Device Lists” webpage.

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  1. Double-Click the “Unknown Device”
  2. Open the “Details” tab
  3. Select the “Hardware Ids” in the “property” combo
  4. Take note of the value VEN_xxxx and DEV_yyyy or VID_xxxx and PID_yyyy
  5. Type xxxx in the “Vendor” search box
  6. or yyyy in the “Device” search box


  1. Search for VEN_xxxx&DEV_yyyy or VID_xxxx&PID_yyyy on google
  2. Search for VEN_xxxx&DEV_yyyy or VID_xxxx&PID_yyyy on Driver Agent List
  3. Use this list of this site Pci Lookup





One response to “Identify a PCI “unknown device””

  1. Valery Letroye Avatar

    pcidatabase is down since a long time now…

    You can use these one instead:

    You can also look on google for PCI Database…

    And you can use this tool to get a lot of details on USB devices:
    Among other, sorting the list of USB devices on “Registry Time”, you can find the latest one plugged into the PC.

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