Solutions for Realtek Digital Output No Sound Issue

Mar. 02, 2025 / Updated by Seraphina to Windows 10

resolve-realtek-digital-output-no-sound

Windows users may encounter no sound issues when using Realtek Digital Output. This article provides several effective solutions to help you restore normal audio output.

Method 1: Check for Driver Updates

Outdated or corrupted drivers are one of the most common reasons for Realtek Digital Output not working. Keeping your drivers up to date can effectively resolve this issue. It is recommended to use Driver Talent to automatically detect and update drivers, saving time and avoiding the risk of installing incorrect drivers.

Download Driver Talent

Click the download button to get the latest version of Driver Talent, install the software, and open it. Then click "Scan".
After scanning, the software will display a list of missing or outdated drivers. Find Realtek Audio Driver in the list and click "Update".

driver-update

Once the update is complete, restart your computer to ensure the new driver takes effect.

Method 2: Check Default Playback Device

Right-click the speaker icon in the taskbar and select "Sounds".

Under the "Playback" tab, find Realtek Digital Output, then click "Set Default" at the bottom.

check-default-playback-device

Click "Apply" and "OK", then test if the sound is restored.

Method 3: Check Audio Format Settings

In the Sound Settings window, find and select Realtek Digital Output.

Click "Device Properties", then go to the "Advanced" tab.

Under the "Default Format" section, select a suitable audio quality for your device. It is recommended to test with "16-bit, 44100Hz (CD Quality)".

check-audio-format-settings

Click "Apply" and "OK" to save the settings.

Method 4: Check Volume and Mute Settings

Press Win + I to open Settings, then go to "System" > "Sound".

Under the "Output" section, make sure Realtek Digital Output is not muted and adjust the volume to an appropriate level.

check-volume-settings

Right-click the speaker icon in the taskbar and select "Volume Mixer". Ensure all applications' volumes are turned on.

Method 5: Disable Audio Enhancements

In the Sound Settings window, click "Device Properties" under the Output Device section.

In the Device Properties window, switch to the "Enhancements" tab.

Check the box for "Disable all sound effects", or directly disable all audio enhancements.

disable-audio-enhancements

Click "Apply" and "OK" to save the settings.

Play an audio or video file to check if the sound has been restored.

Method 6: Check Hardware Connections

Ensure your audio output device is correctly connected to your computer.
For HDMI or optical output, check whether the interface is properly plugged in and ensure all cables are firmly connected.
If you are using an HDMI or optical cable to connect to a speaker system, try replacing the cable or using a different port. A damaged cable or loose connection may cause audio signal transmission issues.
Enter BIOS settings and check whether Onboard Audio is enabled.