The Realtek Audio Driver controls how your Windows computer communicates with speakers and headphones. If the Realtek Audio Driver is missing or outdated, you may get no sound or audio errors. Updating or reinstalling the Realtek audio driver usually fixes the problem.
Table of Contents Common Causes
Sound problems related to Realtek drivers usually happen for a few simple reasons.
1. The driver is outdated
2. The driver became corrupted
3. Windows installed a generic audio driver
4. The audio device is disabled
The good news is that these problems are usually easy to fix.
How to Download the Realtek Audio Driver
The safest way to download the driver is from the official website of your computer or motherboard manufacturer.
Here are some common places where you can find the driver:
Search for your computer model on the manufacturer's support page, then look for Audio Driver or Realtek High Definition Audio Driver .
Pro Tip:
How to Install Realtek Audio Driver on Windows
Installing the Realtek audio driver is usually simple, but sometimes the download comes as an archive with many files. This can confuse beginners, so follow the steps carefully.
Step 1. Download the driver
Download the Realtek audio driver from official website . In many cases, the driver comes as a ZIP file, not a single installer.
Step 2. Extract the archive
Right-click the downloaded file and click Extract All . Open the extracted folder after the process finishes. Inside the folder you may see many files. This is normal.
Step 3. Run Setup.exe
Look for a file named Setup or Setup.exe .
Double-click this file to start the installation.
Do not open the other files in the folder. The installer must be started from Setup.exe.
Pro Tip:
Step 4. Follow the installation wizard
The Realtek installer will open.
Click Next and follow the instructions on the screen.
The installation may take a minute or two.
Step 5. Restart your computer
When the installer finishes, restart your computer if Windows asks for it.
This is required for the driver to work correctly.
Step 6. The installer may appear again after restart
Sometimes after restarting, the Realtek installation window appears again. This is normal.
Some Realtek drivers install in two steps. Just click Next again and let the installer finish.
You may need to restart the computer one more time.
Safety Note:
How to Reinstall Realtek Audio Driver on Windows
If installing the driver did not fix the problem, reinstalling it can help.
Step 1. Open Device Manager
Press Windows + X Device Manager
Step 2. Find the audio device
Expand the section Sound, video and game controllers .
Look for Realtek High Definition Audio .
Step 3. Uninstall the driver
Right-click the Realtek device.
Click Uninstall device .
If you see the option Delete the driver software , you can leave it unchecked.
Step 4. Restart the computer
After restarting, Windows will reinstall the driver automatically.
In many cases, this alone fixes sound issues.
How to Fix Realtek Audio Not Working
If the driver is installed but sound still does not work, try these quick checks.
Check the default playback device
Right-click the speaker icon in the taskbar.
Select Sound settings .
Make sure your speakers or headphones are selected as the Output device .
Run the Windows sound troubleshooter
Right-click the speaker icon in the taskbar.
Click Troubleshoot sound problems .
Follow the instructions on the screen.
Windows will automatically check common audio problems.
Check if the device is disabled
Open Device Manager again.
If the Realtek device has a small arrow icon, it may be disabled.
Right-click it and choose Enable device .
If you want to learn more about updating drivers in Windows, you can read our guide on how to update drivers on Windows step by step.
Final Thoughts
Sound problems can be frustrating, but most Realtek audio driver issues are quick to fix once you know where to look.
Outdated drivers are also one of the common reasons a computer starts to feel slow. If that sounds familiar, see our guide on why your computer is so slow .
Hope this helped you get your sound working again.
