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How to Identify an Unknown Device in Device Manager

Summary: Steps for finding driver for a unknown device in device manager.

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Article Content


Symptoms


This article contains information about steps for identifying unknown devices in Windows Device Manager.


Unknown Device in Device Manager

 
SLN285436_en_US__1icon Note: Before trying to identify an Unknown Device in Device Manager, ensure that all Windows Updates are current.

Update Windows Defender (or your third-party security software) to ensure that your security is current (Windows Update may not run if security for the system is out of date).

If Windows Device Manager is showing an "Unknown Device," after Windows Update has been done. The following steps can help identify the Device to install the correct driver.

  1. Open Device Manager. Press the Windows logo key and the R key simultaneously. This should open a Run Box (Figure 1).
    SLN285436_en_US__2Unknown_Device_Manager_ASM_01
    Figure 1
     
  2. Type devmgmt.msc and click OK or hit Enter.
  3. Device Manager opens (Figure 2).
    SLN285436_en_US__3Unknown_Device_Manager_ASM_02
    Figure 2
     
  4. Right click on the "Unknown Device" and select Properties (Figure 3).
    SLN285436_en_US__4Unknown_Device_Manager_ASM_03
    Figure 3
     
  5. Select the Details tab. In the drop-down box under property, select Hardware Ids (Figure 4).
    SLN285436_en_US__1icon Note: The below screenshot is an example of information that can be displayed for an Unknown Device.
    SLN285436_en_US__6Unknown_Device_Manager_ASM_04
    Figure 4
     
  6. The top line should list something like: PCI\VEN_8086&DEV_1916
  7. The numbers in RED are the Vendor ID, and the numbers in Green is the Device ID.
    Example:
    Vendor ID = 8086
    Device ID = 1916
    SLN285436_en_US__1icon Note: If the information in the top line is not similar to what is shown. You can search on Google for what is listed.
  8. You can go to the following sites to search for the Vendor and Device.
  9. Once you find the Vendor and Device.
    For example, 8086 and 1916 is the Intel Video driver.
    You can then download the driver from Dell.com/Support and resolve the "Unknown Device."

If you have further questions about this article, please contact Dell Technical Support.

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Article Properties


Affected Product

Desktops & All-in-Ones, Laptops, Operating Systems

Last Published Date

21 Feb 2021

Version

3

Article Type

Solution