How to Fix an Audio Device on High Definition Audio Bus

Written by robert ceville
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How to Fix an Audio Device on High Definition Audio Bus
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Whenever your HD audio bus devices begin to work inefficiently, or not at all, you can use Microsoft's Fix It utility to get to the bottom of the problem and correct it automatically. If you have an Internet connection, all you have to do is visit the Microsoft support site and run the utility from that location. Fix It will scan your high-definition audio bus and devices for errors and improper configurations, then restore them back to working order. With the right instruction, you can use this utility to get your sound back in less than 10 minutes.

Skill level:
Easy

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Things you need

  • Windows
  • Internet connection

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Instructions

  1. 1

    Visit the Microsoft support site. A link to the Fix It utility page is in the Resources section.

  2. 2

    Run the Fix It repair tool by clicking the green "Run" button on the right side of the support page. Click "Save" when the window opens containing the EXE tool. It will be saved to your "Downloads" folder by default.

  3. 3

    Double-click on the "Mats_Run.AudioPlayback" EXE once it has completed being downloaded to your computer. Follow the series of onscreen instructions that will begin the diagnosis and repair process for your audio bus and devices. When it has finished, your audio will be restored and configured properly once again.

Tips and warnings

  • Fix It can diagnose audio devices that have been deactivated, correct improper level settings, restore devices to default and determine whether or not your devices are optimally functional.

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