
HDMI (High-Definition Multimedia Interface) is a connector used for transmitting uncompressed audio and video data between an HDTV and digital audio/video receivers like monitors, laptops, and gaming consoles. However, it is not uncommon to encounter issues with HDMI audio. This could be due to several factors, including loose connections, incorrect audio settings, outdated or missing drivers, or issues with the Windows Audio service. If you're experiencing HDMI audio issues, there are several troubleshooting steps you can take, such as checking hardware connections, updating drivers, and ensuring that HDMI is set as the default audio device.
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What You'll Learn

Check your volume settings
If you're experiencing no sound through your HDMI TV, it could be due to incorrect audio settings. To resolve this, you should first check your volume settings. Here are the steps to do so:
- Move your cursor to the bottom right of the Windows desktop and click on the speaker icon.
- Right-click on the speaker icon in the system tray and select "Open Sound Settings".
- Under "Choose your output device", ensure that you've selected the HDMI output.
- Check if the monitor's speaker volume is not turned down or muted.
If the issue persists, you may need to set HDMI as the default playback device. Here's how:
- Press Windows + R to launch the Run Dialogue box.
- Enter "mmsys.CPL" and click OK.
- In the new window, click on the "Playback" tab and then plug in the HDMI cable.
- The HDMI audio device should appear in the list of devices. Right-click on it and select "Enable".
- Click on the HDMI device again and select "Set as Default".
- Click OK to save the changes.
If the HDMI device doesn't appear in the list, you can right-click anywhere on the list and check "Show Disabled/Disconnected devices". This will allow you to enable and set the HDMI output as the default device.
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Try a different HDMI cable
If you're experiencing HDMI no sound issues, it could be due to a variety of factors, including the computer, the HDMI cable, or the monitor/TV you're connecting to. One of the first things you can try is to use a different HDMI cable to see if that resolves the issue.
To do this, simply unplug the current HDMI cable from both your computer and the monitor/TV, and then plug in a different HDMI cable. Ensure that the new cable is securely connected to both devices. If you don't have another HDMI cable readily available, you may need to purchase one. They are typically inexpensive and can be found at electronics stores or online.
Once you have the new cable, follow the same connection process as before. Make sure that your computer and the monitor/TV are both turned on. Check if the HDMI audio is now working. If it is, then the issue was likely with the previous cable.
It's important to note that you should also check your audio settings to ensure that the HDMI output is set as the default playback device. On a Windows computer, you can do this by pressing the Windows Key + R on your keyboard to open the Run dialogue box. Then, type in "mmsys.CPL" and click "OK". In the new window that appears, click on the "Playback" tab and then plug in the HDMI cable. The HDMI audio device should appear in the list of devices. If it doesn't, right-click and select "Show Disabled Devices" and "Show Disconnected Devices". Once you see the HDMI audio device, right-click on it, select "Enable", and then "Set as Default".
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Check your audio controller
If you're experiencing HDMI no sound issues on your computer, it could be due to a problem with your audio controller. Here are some detailed steps to help you check and troubleshoot the audio controller:
- Check Volume Settings: Before diving into more advanced solutions, it's a good idea to check the basic volume settings. Click on the speaker icon at the bottom right of your Windows desktop to ensure that the volume is turned up and not muted.
- Set HDMI as Default Playback Device: If your HDMI device isn't set as the default audio output device, you won't hear sound through the HDMI connection. Here's how to set it as the default:
- Press the Windows Key + R to open the Run dialog box.
- Type "mmsys.CPL" and click OK.
- In the new window, click on the "Playback" tab and then plug in the HDMI cable.
- The HDMI audio device should appear in the list of devices. If it doesn't, right-click and select "Show Disabled Devices" and "Show Disconnected Devices".
- Once you see the HDMI device, right-click on it, select "Enable", and then "Set as Default".
Update Audio Drivers: Outdated, corrupt, or missing audio drivers can cause HDMI no sound issues. To update your audio drivers:
- Go to the Device Manager by searching for it in the taskbar search box.
- Expand "Sound, video and game controllers" by clicking the arrow next to it.
- Look for your audio driver (e.g., IDT High Definition Audio CODEC or your sound card driver).
- Right-click on the audio driver and select "Update driver".
- Choose "Search automatically for drivers" for an automatic update or "Browse my computer for drivers" for a manual update.
- If Windows can't find a new driver, visit the device manufacturer's website to download and install the latest driver.
Reinstall Audio Driver: If updating the driver doesn't work, try reinstalling it:
- In the Device Manager, right-click on the audio driver and select "Uninstall device".
- Ensure the "Delete the driver software for this device" checkbox is selected and then click "Uninstall".
- Restart your PC. This will prompt your computer to reinstall the audio driver.
Try a Different HDMI Port: If your computer has multiple HDMI output ports, try plugging the HDMI cable into a different port. A faulty HDMI port on your computer could be causing the no sound issue.
By following these steps, you can identify and resolve issues related to your audio controller, improving your chances of getting sound through the HDMI connection.
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Update your graphics card driver
If you're experiencing HDMI no sound issues, it could be due to outdated graphics card drivers. Outdated firmware can cause compatibility issues with audio and graphics devices, resulting in no sound output even if your HDMI cable and ports are functioning correctly.
To update your graphics card driver, you can either do it manually or automatically.
Manual Driver Update:
- Visit the official website of your graphics card manufacturer, such as NVIDIA or AMD.
- Navigate to the driver download section and locate the latest driver version compatible with your specific graphics card model.
- Download the driver installation file to your computer.
- Install the downloaded driver by following the on-screen instructions.
- Restart your computer after the installation is complete.
Automatic Driver Update:
If you prefer convenience and simplicity, you can use a trusted third-party tool like Driver Easy. This tool will automatically recognize your system configuration and download and install the correct graphics card driver for your specific setup.
Additional Tips:
- Before updating drivers, ensure that your HDMI cable is securely connected and try using different HDMI cables and ports to isolate potential hardware issues.
- Check your volume settings on both your computer and the connected device (TV or monitor).
- Set HDMI as the default playback device on your computer.
By following these steps and keeping your graphics card driver up to date, you should be able to resolve HDMI no sound issues caused by outdated or incompatible drivers.
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Set HDMI as the default playback device
If you're having issues with HDMI audio on your computer, there are several troubleshooting steps you can take to resolve the problem. Here are detailed instructions on how to set HDMI as the default playback device, along with other potential solutions:
- Use the Windows Key + R on your keyboard to open the Run dialog box. Alternatively, you can search for "Run" in the Start menu.
- In the Run dialog box, type "mmsys.cpl" and then click "OK".
- In the new window that appears, click on the "Playback" tab.
- Plug in the HDMI cable.
- The HDMI audio device should appear in the list of devices, usually with the name of the TV or monitor you are using. If it doesn't appear, right-click anywhere on the list and select "Show Disabled Devices" and "Show Disconnected Devices".
- Once you see the HDMI audio device listed, right-click on it and select "Enable".
- Click on the HDMI device again and then click "Set as Default".
- Click "OK" to save the changes.
Other Potential Solutions:
- Check Hardware Connections: Ensure that the HDMI cable is securely connected to both your computer and the external device (TV, monitor, etc.). Try using a different HDMI cable and/or a different HDMI port on your computer to see if that resolves the issue.
- Update Audio Drivers: Outdated, missing, or corrupt audio drivers can cause HDMI audio problems. Update your audio drivers by downloading the latest version from the manufacturer's website or using a tool like Driver Easy to automate the process.
- Restart Audio Services: If using Windows, you can try restarting the Windows Audio service.
- Adjust Volume Settings: Check the volume settings on both your computer and the external device. Ensure that the volume is not muted or turned down on either device.
- Graphics Drivers: Outdated or missing graphics drivers can cause HDMI audio issues. Update your graphics drivers by downloading the latest version from the manufacturer's website or using Windows Update.
- Restart Your Computer: A simple restart can sometimes fix issues by eliminating conflicting settings and system bugs.
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Frequently asked questions
There are several reasons why you might not be getting sound through your HDMI cable. The issue could be with the cable itself, so try using a different HDMI cable. If the problem persists, the issue could be with your computer or TV. Try connecting the HDMI cable to another computer and TV to identify the source of the problem.
If the problem is with your computer or TV, try updating your audio drivers. You can do this manually by downloading the latest drivers from the manufacturer's website, or you can use a program like Driver Easy to do it automatically.
Yes, there are a few quick fixes you can try. First, check your volume settings on both your computer and TV to ensure that the volume is not muted or turned down. Next, make sure that the HDMI device is set as the default playback device on your computer. You can do this by pressing Windows + R, typing "mmsys.CPL", clicking on the Playback tab, plugging in the HDMI cable, right-clicking on the HDMI device, and selecting "Set as Default".
The issue could also be caused by loose connections, outdated drivers, or issues with the Windows Audio service. Try checking all connections, updating your drivers, and restarting the Windows Audio service.











































