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Realtek Semiconductor Corp. - Audio Device, Other hardware - Realtek USB Audio Driver 6.3.9600.40

by RealtekWindows 1064-bitSHA-256 verified

Manufacturer
Realtek
Device
Realtek Semiconductor Corp. - Audio Device, Other hardware - Realtek USB Audio
Driver version
6.3.9600.40
Release date
September 19, 2015
Supported Windows
Windows 10
Architecture
64-bit (x64)
File size
4.1 MB
File name
20782162_6b42123134c1999ddbcf0493658e72de498dfdbc.cab
Digital signature
Signed - catalog RtXUsbAD.cat
INF version
09/19/2015,6.3.9600.40
INF provider
Realtek Semiconductor Corp.
Device class
MEDIA
Source
Microsoft Update Catalog
Last verified
July 8, 2026
SHA-256
347dfb88355280cb09a53eea4a3aba77a8457697d45e0c4bcd0ebe8ddb241058

Supported hardware IDs (11)

Compare with your device: Device Manager → right-click the device → Properties → Details → Hardware Ids. If one of the values above matches, this driver supports your hardware.

How to install

  1. Create a restore point(Start → "Create a restore point" → Create), so you can roll back if anything goes wrong.
  2. Verify compatibility: your Windows version (Windows 10) and architecture (x64)must match this driver, and your device's Hardware ID should appear in the list above.
  3. Download the file using the button - it comes directly from Microsoft Update Catalog.
  4. Optionally verify the checksum: open PowerShell, run Get-FileHash your-download.cab -Algorithm SHA256 and compare with the SHA-256 above.
  5. Extract the .cab archive: right-click → Extract All, or run expand -F:* file.cab C:\driver\ in Command Prompt.
  6. Install via Device Manager: right-click your device → Update driver → Browse my computer → point to the extracted folder. Alternatively run pnputil /add-driver C:\driver\*.inf /install.
  7. Check Device Manager: the device should show no warning icons, and the driver version should match.

How to roll back

If the device stops working after the update: Device Manager → right-click the device → Properties → Driver tab → Roll Back Driver. If the button is greyed out, use the restore point from step 1 (Start → "Recovery" → Open System Restore).