There have been more than a few reported cases of HDMI audio not working, especially after upgrading the operating system to Windows 10. This article is specific to issues with HDMI sound, not more general sound not working on windows 10 problems.
You’ve connected your HDMI monitor to windows 10 computer and you get normal video output, but no sound. Here are a few tips and fixes to try out in order to fix your sound and enjoy it.
Fix #1: Use the Advanced System Repair Tool (Restoro)
Restoro is a robust program, and one of the best System Repair solutions available for Windows PCs. It is thorough, dynamic, intelligent and outputs detailed results in a very user-friendly way.
Follow the steps below to download and install it on your PC:
Please note that you might have to temporarily stop your anti-virus for this process to continue.
Download and Install Restoro for free.
The tool checks for junk files and carries out deep scans for usernames and passwords that could be exposed to hackers and eventually gives you a privacy scan summary.
You can view the details of the scan by expanding the “Details” tab.
To set an action, expand the “Recommendation” tab to either choose “clean” or “ignore”.
Click on “Clean Now” at the bottom of the page to begin the cleaning process.
Fix #2: Check all hardware devices
Before moving on to other options, check that all hardware devices work properly.
Change the HDMI cable. Use another cable and see if the issue resolves itself.
Change ports. If your computer has multiple HDMI output ports, try all the ports and see if any works.
Check the monitor volume. Ensure that the monitor’s speaker volume is up and not muted or turned down. Try connecting the monitor to another computer.
Fix #3: Configure the default audio devices
Windows outputs sound from only one audio device at a time. It changes settings when new audio cables are connected or disconnected.
When an HDMI cable is connected and there’s no sound, follow these steps to configure the correct audio output, to make HDMI the default.
After connecting the HDMI cable to both the computer and the output device, navigate to the taskbar.
Right-click the volume icon and select “Playback Devices” or “Sounds”. The Sound wizard opens.
Go to the “Playback” tab, select “Speakers and Headphones” or “Speaker/Headphone” and choose “Set Default“.
Right-click the output device connected to the HDMI cable and select “Show Disconnected Devices“. Ensure the HDMI cable is connected when configuring this.
Fix #4: Update sound drivers
Hold Windows key + X and click on “Device Manager“.
Locate sound drivers and click it to expand.
Right-click the highlighted driver and select “Update driver software” from the menu.
Windows will search online for the necessary drivers and install them on your computer.
Restart the computer and check if the HDMI sound works.
Fix #5: Windows Sound Troubleshooter
Windows troubleshooter is designed to diagnose computer problems quickly and automatically solve them. Troubleshooter doesn’t always fix everything, but it’s a great place to start.
Windows PC users can make use of the audio troubleshooter, which is built into the Control Panel.
Press Windows + R to open the Run dialog box.
Type “Control” and press Enter.
On the window that opens, navigate to “Hardware and Sound” and click “Troubleshoot audio playback“.
Administrator password is required to run this program. Type it when prompted.
On the troubleshooter that opens, click Next. The troubleshooter will start checking the audio service status.
Choose the device you want to troubleshoot and click Next.
Make any changes suggested by the troubleshooter, and follow the on-screen instructions to completion.