How to Reinstall Usbvideo.Sys

Written by mike benson
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How to Reinstall Usbvideo.Sys
The USBVideo.sys file is necessary to use hardware devices such as webcams. (webcam image by RéGIs Verger from

The USBVideo.Sys file is a system driver used to allow data communication between your computer and a USB-powered video device. This file is crucial in allowing the data to flow through the PCI bus so that it can be processed and read from your software. Essentially, this file is a mediator between hardware and software. If this file were not present, both your video hardware and its data input would fail to be identified on your system. This can prevent the transmission of video data to your computer and can even cause your computer to freeze or crash. If you use a USB video device and receive an error message regarding the USBVideo.sys file, you can reinstall this driver using the System File Checker.

Skill level:
Moderately Easy


  1. 1

    Disconnect any USB video devices from the USB ports on your computer.

  2. 2

    Insert the Windows disc into the DVD drive on your computer. Click the "Cancel" button on the "Autorun" window.

  3. 3

    Click "Start," and type "CMD" in the "Start-Search" box.

  4. 4

    Right-click "Command Prompt" from the search results list. Click "Run as administrator."

  5. 5

    Click the "Yes" button on the "User Account Control" screen. This will launch the Windows Command Prompt.

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