SOLVED! Unknown Device – Hardware ID: USB\VID_0955&PID_9000 – Fix it

Regarding the communication between computers and peripherals, drivers by all accounts play a key role. Thus, to keep everything working, Windows users have to keep drivers on their devices up-to-date. In most of the cases, the update of drivers is a straightforward affair that involves little time and effort. Still, it’s not common for the process to act up and “Unknown Device – Hardware ID: USB\VID_0955&PID_9000” is a prime example. 

What Might Have Gone Wrong

Missing Or Out Of Date Drivers

As mentioned above, drivers dictate the connection between computers and devices in most of the cases. If you’ve missing or out-of-date drivers, your computer would have a hard time recognizing its devices properly. Thus, once it comes to 


All in all, computers could connect to multiple devices and manage them at the same time. Still, it’s not uncommon for the OS to be overloaded if people make use of too many devices simultaneously. You keep seeing “Unknown Device – Hardware ID: USB\VID_0955&PID_9000” in Device Manager? Then it’s strongly recommended that you take overload into account. 


Run Troubleshooter 

Windows has an in-built system to help users troubleshoot and fix problems with their PCs. It will run checks on the system and fix the problem or suggest possible solutions. The best step is to run the troubleshooter. To do this;

  • Step 1: Go to Search bar, type Control Panel and hit Enter. 
  • Step 2: Change View by on the top right to Large icons.
  • Step 3: Hit Troubleshooting and pick View all on the left panel.
  • Step 4: Run the hardware and devices troubleshooter.

Uninstall And Reinstall Virtual Audio Device Driver

In case you don’t know, USB\VID_0955&PID_9000 is the Hardware ID of NVIDIA Virtual Audio Device (Wave Extensible) (WDM). Thus, once it comes to “Unknown Device – Hardware ID: USB\VID_0955&PID_9000”, you should uninstall and reinstall Virtual Audio Device driver. Various websites host download links for that driver but you need to take into account your PC’s specs. Look for a version that matches your system then download and install it. 

  • Step 1:  Download the latest version of the driver from a website of your choice and save it somewhere accessible. Afterward, since the driver should be a WinRAR file, you have to extract it.
  • Step 2: Type Device Manager in the search bar, hit enter and go to unknown device.
  • Step 3: Right-click the unknown device, choose Properties and go to Driver tab. Proceed to choose Update driver and select Browse my computer for device software.
  • Step 4: Pick the driver you have downloaded previously, click next and the computer will take care of the rest.

Disconnect Non-Essential Devices 

Having too many connections might overload your PC and prevent it from recognizing devices. Therefore, if you come across unknown devices, you should disconnect some of the devices and free up processing power. Also, it’s a good idea to reduce the number of tasks your PC handles at the time. Each of the tasks requires resources to run so less tasks means you have more processing power to spare. 

How Do I Know If My OS Is Outdated?

Open Settings then go to Updates and Security. Proceed to hit Check for updates and the result would tell you whether your operating system is up-to-date. 

Is It Possible To Determine The Version Of A Driver?

Go to Device Manager, locate the device and right-click it. Next, choose Properties, navigate to the Driver tab and you should see the driver version.

What Company Created Virtual Audio Device?

Virtual Audio Device driver is a component created by NVIDIA, one of the most prominent software companies globally.

What Is Device Manager?

Device Manager is in essence a component of the Windows OS and it lets users manage all their hardware. Via Device Manager, you can see all the hardware installed on your PC, their drivers, properties and other settings.

How Should I Use Device Manager?

When you launch Device Manager, you will give you a list of all hardware connected to your PC. The hardware will be placed in categories such as Cameras, Keyboards, Monitors and so on. Scan the categories, locate the hardware you want to see and double-click it. By doing so, you could determine whether the device is running, disable it, uninstall/update its driver, etc. 

A Beginner’s Guide

  • Always unplug USB devices that you don’t need.
  • Check for updates from time to time.
  • Close apps you aren’t using so they don’t gobble up resources.
  • Only download drivers from reputable sites.

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