Precision 5570 or XPS 15 9520 Experiences No Audio or Low Audio Volume After Windows Update

Summary: A Precision 5570 or XPS 15 9520 may experience no audio or low audio volume after a Windows update.

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Symptoms

Users may report that the computer has no sound, or the audio volume becomes lower than usual after a Windows update. When this occurs, adjusting the audio volume may not help.

Affected Platforms:

  • Precision 5570
  • XPS 15 9520

Cause

A compatibility issue exists between the current audio driver and a Windows update.

Resolution

This issue is resolved by installing version 6.0.9430.1, A25 or later of the Realtek High Definition Audio Driver.

Note: For more information, reference How to Download and Install Dell Drivers.

Affected Products

Precision 5570, XPS 15 9520
Article Properties
Article Number: 000206231
Article Type: Solution
Last Modified: 24 Apr 2025
Version:  4
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