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Copy file name to clipboardExpand all lines: support/windows-client/setup-upgrade-and-drivers/usb-audio-video-devices-malfunction.md
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title: USB-connected Audio or Video Devices Experience Glitches when Connected to Specific Intel-based Devices
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description: Apply a registry fix to resolve USB audio/video issues on Intel 500/600/700 PCH systems with discrete TPM.
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description: Describes how to apply an update and a registry fix to resolve USB audio/video issues on Intel 500/600/700 PCH systems that use discrete TPM chips.
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ms.service: windows-client
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ms.topic: troubleshooting-general
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ms.date: 10/02/2025
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## Affected devices
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This issue affects Intel-based system using a 500, 600, or 700 series Platform Controller Hubs that have discrete TPM chips (dTPMs). Computers that use firmware TPM technology aren't affected.
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This issue affects Intel-based system using a 500, 600, or 700 series Platform Controller Hubs that have discrete Trusted Platform Module (dTPMs) chips. Computers that use firmware TPM (fTPM) technology aren't affected.
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## Workarounds
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The following steps might resolve the issue. This relief might be temporary.
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You might temporarily resolve the issue by following these steps.
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1. Unplug the device, and then reattach it to the computer.
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2. If the previous step doesn't work, restart the computer.
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1. Confirm that the device uses a dTPM instead of an fTPM. To find this information, you might have to check the device's BIOS settings or contact the device manufacturer.
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1. Run the diagnostic script that's provided in the [More information](#more-information) section of this article.
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1. Run the diagnostic script in the [More information](#more-information) section of this article.
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This script checks whether the fix applies to your device.
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## More information
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You can use the following Windows PowerShell script to determine whether your PC has one of the controllers that might be affected. To run this script, create a file that uses a name such as **Check-USBSplitTransactionVulnerability.ps1**. Then paste the following text into the file, From a PowerShell command prompt, run the script.
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You can use the following Windows PowerShell script to determine whether your PC has one of the controllers that might be affected. To run this script, create a file that uses a name such as **Check-USBSplitTransactionVulnerability.ps1**. Then paste the following text into the file. From a PowerShell command prompt, run the script.
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> [!NOTE]
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> In Device Manager, the device in question appears under **System Devices**. It has a name that resembles "Intel(R) LPC Controller/eSPI Controller."
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