17th Jul2019

How to Fix Realtek High Definition Audio Driver Issue?

by James Smith

The set of driver installed on a PC goes a long way in affecting the quality of music and audio file sound. Realtek High Definition Audio Drivers are a leading set of drivers for Windows computers. It comes in handy while playing audio, improving the sound quality of movies or games. Realtek HD Audio codecs are compatible with Microsoft’s UAA (Universal Audio Architecture). Given its flexible mixing, mute, and fine gain control functions it provides a well-integrated audio solution for home entertainment PCs.

This software requires 32-bit and 64-bit devices of Windows Vista Windows 7, 8 or 10.

The Realtek HD Audio Driver enables the play of high-quality stereo audio with a resolution of up to 24-bit. The set of drivers is not different from other software, however, to activate it on the PC, users may need to restart their systems. Realtek is a necessity when it comes to sound card drivers required for most gadgets as a part of their motherboard. It’s essential for Windows 2000 and 2003 users who do not come with the Realtek High Definition Audio Driver installed automatically.

Notable features like Sound Effect Manager and Realtek Soundman greatly improves the quality of sound and creates a pleasurable listening experience, because of the in-built MPU 401 MIDI Driver. Realtek High Definition Audio also has a built-in media player with an easy-to-use interface. It comes with a strong intuitive pattern that can dissect words from the line of speech with accuracy. It comes with other range of customization features, like the 10 different soundbars that improve program users output quality. The entire common sound formats are supported, including the newer ones.

Realtek HD Audio Main Features:

  • Direct Sound 3D, A3D, and I3DL2 compatibility;
  • WaveRT audio driver for Windows;
  • Direct Sound 3D compatible
  • Multi-bands of software equalizer tools
  • Microphone Acoustic Echo Cancellation (AEC),
  • A wide range of software equalizing tools;
  • Microphone acoustic echo cancellation;
  • Noise suppression feature;
  • Beamforming technology for voice application;
  • Easy-to-use plug-and-play technology;
  • Well-laid out and easy-to-use interface.

How to Fix issues that may arise after the installation of Realtek High Definition Audio Driver

There can be several factors that may affect the smooth running of Realtek HD Audio Driver but most often the main problem is a corrupt or outdated Realtek audio drivers. And where that is the issue, it can be easily fixed by reinstalling Realtek audio drivers.

Tip: Open Device Manager and select Windows Key + R then type devmgmt.msc and click on Enter. Expand Sound, video and game controllers and check for a yellow exclamation mark on “Realtek High Definition Audio“. If there is a yellow exclamation mark then it is confirmed that it is a driver issue.

When you install Realtek High Definition Audio driver and receive an error message saying “Install Realtek HD Audio Driver Failure!!”, not to worry, You can install the driver successfully with one of the six solutions below as it fits the problem:

Solution One: Install the driver using Driver Easy

The manual installation of drivers isn’t easy. Sometimes it may cause errors not expected like the error “Install Realtek HD Audio Driver Failure”. You will have to update the driver automatically with Driver Easy when you are having problems with manual installation. To find the correct drivers for your system Driver Easy will automatically recognize it. Knowledge of the exact system your computer is running on is not required; there is also no need to risk download and installation of the wrong driver.

With just two clicks of the Pro version, an installation problem can be fixed

1. Download and install Driver Easy.

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2. Run Driver Easy and click on Scan Now. Driver Easy will then scan and detect any problem drivers on your computer.

3. Then click the Update button next to the Realtek audio driver to automatically download the correct version of this driver, you can then manually install it (this can be done with the free version).

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Or you can alternatively click Update All download automatically and install the correct version of all the drivers that are missing or outdated on your system (this requires the Pro version – you’ll be prompted to upgrade when you click Update All).

Solution Two: Uninstall and reinstall the Realtek audio driver.

Steps on uninstalling and reinstalling the Realtek audio driver:

1. On your keyboard, press the Win+R (the Windows key and the R key) at the same time to invoke the Run box.

2. Key in devmgmt.msc, select OK to open Device Manager.

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3. Expand the category Sound, video and game controllers and then Right-click on the Realtek Audio Driver and select Uninstall.

4. Follow the on-screen instructions to uninstall the driver.

5. Restart your computer and open Device Manager again.

6. In Device Manager, click Action and Scan for hardware changes.

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7. After that, install the driver again

Solution Three: Add legacy hardware before installing the driver

First, go to Device Manager and check if there is the “Sound, video and game controllers” branch. If you don’t see it in Device Manager, you need to add legacy hardware before installing the driver (If you see it listed in Device Manager, and then skip this Solution). Follow steps below to add legacy hardware.

1. In Device Manager, click Action and Add legacy hardware. (If only ‘Help’ appears under this option, click on the blank place of the list pane and then click ‘Action’ again).

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2. Follow the instructions on the screen to add the “Sound, video and game controllers” branch and also the “Realtek High Definition audio device”.

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3. Install the driver again. You can use Driver Easy to install the driver automatically with two clicks.

Solution Four: Fix driver conflicts

There are known conflict with the Microsoft UAA Bus Driver for High Definition Audio, to fix this, Follow the steps below:

1. Go to Device Manager. Find THE Microsoft UAA Bus Driver for High Definition Audio by expanding the System Devices branch.

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2. Right click on the device and click Disable.

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3. Click on Programs and Features and then locate Realtek HD Audio Driver entry. Uninstall the driver. (Please Do not reboot the system.)

4. Select the Device Manager again and uninstall the disabled Microsoft UAA Bus Driver for HD Audio. (Please Do not reboot the system.)

5. Finally, you can now reinstall Realtek HD Audio Driver (ignore the “Found New Hardware Wizard” if it pops up).

6. After installation is complete, reboot the system

Solution Five; Reinstall Windows

Where you have tried these solutions above and a problem is still persistent, it means that there are some other types of corruption occurring that go beyond the above conflict. You can consider reinstalling Windows. After reinstalling the system, go ahead and reinstall the driver again.

Solution Six: Replace a sound card

If you reinstall Windows and it doesn’t work either, it may be that the sound card is dead. You may need to have it replaced.
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