Realtek High Definition Audio Driver

Restart required

hi testing

Driver Id : 149MR

Importance : Critical

Version : 6.0.9780.1, A82 Latest version Recommended version Latest and Recommended version

Release Date : 27 Feb 2025

Download Type : Driver

Category : Audio

This package contains the Realtek High Definition audio driver. Audio driver is the software that helps your operating system to communicate with audio devices such as internal sound cards, speakers, headsets, and microphones.

Download Files

File Format: Dell Update Packages in native Microsoft Windows 64-bit format do not require that Microsoft WOW64 be installed on the Microsoft Windows Server.

File Name: Realtek-High-Definition-Audio-Driver_149MR_WIN64_6.0.9780.1_A82_01.EXE

File size: 181.66 MB

To ensure the integrity of your download, please verify the checksum value.

MD5: 6557b44a350b7690763ad0eefec7f119

SHA1: 0bb4d1b5628205ef8b9e734232e9a6bb9c280622

SHA-256: 380978a1422a8dfe10c8e13987c1b6ecc5811b4a4a0470d4e1c665e92e5b12fe

Download .EXE

Fixes & Enhancements

- Fixed the issue where a Windows error message is displayed when you install the audio driver multiple times. This issue occurs when subfolders are created with an abnormal naming convention in the Waves folder.
- Fixed the issue where there is no audio during a Microsoft Teams call.
- Fixed the issue where there is no sound on the system after you install the audio driver through the exe installation.

Important Information

- This audio driver requires the MyDell or Dell Optimizer application to be installed to have full functionality.
Select the This Device filter to obtain the correct driver on the Drivers and Downloads page. If you are not on the Drivers and Downloads page, identify your product.
- Audio drivers and applications take no more than 4 minutes to be installed on your system. You can install the updates in the background while using the system.

Compatible Systems

ChengMing 3910/3911

OptiPlex 3000 Micro

OptiPlex 3000 Small Form Factor

OptiPlex 3000 Thin Client

OptiPlex 3000 Tower

OptiPlex 5000 Micro

OptiPlex 5000 Small Form Factor

Optiplex 5000 Tower

OptiPlex 7000 Micro

OptiPlex 7000 Small Form Factor

OptiPlex 7000 Tower

OptiPlex 7000 XE Micro

OptiPlex XE4

Supported Operating Systems

Windows 10 IoT Enterprise LTSC 2021

Windows 11 IoT Enterprise LTSC 2024

Windows 10 CMIT Government Edition

Windows 11 S-Mode

Windows 11

Windows 10, 64-bit

Installation instructions

Dell Update Package Instructions

Note: Your system requires a restart after installing the driver. The restart can be deferred but must be completed to ensure that the update is installed.

Download
1. Click Download File.
2. When the File Download window is displayed, click Save to save the file to your hard drive.

Installation
1. Browse to the location where you downloaded the file and double-click the new file.
2. Read the information in the dialog window.
3. Download and install any prerequisites that are identified in the dialog window before proceeding.
4. Click the Install button.
5. Follow the remaining prompts to perform the update.

For Thin Client systems

Note: If the driver size is more than 900 MB, ensure to increase the RAM Disk Size to 1000 MB before installing the driver. If RAM Disk is not available, follow the below steps.

1. Log in to the Administrator account on the Thin Client.
2. Disable the Write Filter (WF) by double-clicking the WF Disable icon on the desktop.
The system auto reboots.
3. Log in to the Administrator account on the Thin Client.
4. Click Download File.
5. Double-click the EXE/MSI file and follow the on-screen instructions.
6. Enable the Write Filter by double-clicking WF Enable icon on the desktop.
The system auto reboots.