Fixing Audio Input Issues on Dell XPS 14 (9440)

Created by Donny Heidel, Modified on Mon, 3 Nov, 2025 at 11:16 AM by Donny Heidel

Fixing Audio Input Issues on Dell XPS 14 (9440)

If your microphone or audio input is not working properly on a Dell XPS 14 (9440), you may need to reinstall the Intel Smart Sound Technology driver. Follow the steps below to resolve the issue.

Step-by-Step Instructions

  1. Open Device Manager

    • Press Windows + X and select Device Manager from the menu.

  2. Uninstall the Problematic Audio Controller

    • In Device Manager, expand System Devices.

    • Locate and right-click on Intel Smart Sound Technology Audio Controller.

    • Select Uninstall device.

    • When prompted, confirm the uninstallation.

  3. Download the Correct Audio Driver

  4. Install the Driver

    • Run the downloaded installer and follow the on-screen instructions to complete installation.

  5. Reboot Your System

    • Restart your laptop to apply the changes.

  6. Verify Audio Input

    • After rebooting, test your microphone in Windows Sound Settings or a conferencing app (e.g., Teams or Zoom) to confirm the issue is resolved.


Additional Tips

  • Ensure Windows Update is fully up to date before and after installation.

  • If the issue persists, check Privacy Settings → Microphone access to ensure apps have permission to use the mic.

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