Laptop HDMI to TV, no sound

[ACL_]

Hi, when I connect my laptop to the TV with HDMI, there is no sound on the TV.

The laptop has all the latest versions of the drivers and BIOS from the HP site.

I have tried all recommended steps such as: reinstalling everything, using different cable and TV but it makes no difference.

Also, when I have plugged it in, I don't see more audio devices besides the laptop speakers.

However, If I change in the BIOS to discrete graphics, the NVDIA HD audio does appear (and other bluetooth audio devices for some reason)

But If I then try to plug into the TV, I get a BSOD with thread exception coming from nvhda64v.sys (the HD audio driver).

An interesting thing to note here is that under Ubuntu, the audio does work on my TV so the graphics card does support it.

[Kumar0307]

@ACL_, Welcome to the HP Support Community!

What is the model of HP PC you are using?

Have you tried using a different HDMI cable and check?

Most HDTV devices have more than one HDMI input port, therefore it is very important that the HDMI display's input source is set to the same HDMI port that is connected to your computer, for example HDMI 2 to HDMI 2.

Select HDMI sound output as the default audio device

1. Connect the HDMI cable to your computer and to your output device.

2. In Windows, search for and open Control Panel.

3. Click Sound, and then click the Playback tab.

4. The Sound window opens. On the Playback tab, select Speaker/Headphone or Speakers and Headphones, and then click Set Default.

5. Select the output device connected with the HDMI cable, and then click Set Default.

6. Right-click the output device connected with the HDMI cable, and then select Show Disconnected Devices. The HDMI cable must be connected when it is configured.

7. To view all the available sound devices, right-click any device shown in the Sound window and select the Show Disabled Device and Show Disconnected Devices options.

Run the Audio Check in HP Support Assistant

1. Go to HP Support Assistant to download and install the HP Support Assistant software, if it is not already installed on your computer.

2. In Windows, search for and open HP Support Assistant.

3. On the My devices tab, click your computer.

4. Click the Troubleshooting and fixes tab, and then click Audio Check in the One-click fixes section.

5. Click Next, and then wait for the audio test to complete.

6. Review the test results on the audio and microphone diagnostic results display, and then click Test Audio.

7. If sound is not heard correctly, click Unable to Hear Audio and then follow the on-screen instructions.

Let me know how this goes.

If you feel my post solved your issue, please click “Accept as Solution”, it will help others find the solution. Click the “Kudos/Thumbs Up" on the bottom right to say “Thanks” for helping!

[ACL_]

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What is the model of HP PC you are using?

I am using a Zbook G5 Studio.

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Have you tried using a different HDMI cable and check?

Yes, I have tried to use a different HDMI cable but the thing is that both audio and video is working when I use Linux instead of Windows. I have also tried to use a backup of a previous installed version of Windows+Drivers but it does not work.

Select HDMI sound output as the default audio device

1. Connect the HDMI cable to your computer and to your output device.

2. In Windows, search for and open Control Panel.

3. Click Sound, and then click the Playback tab.

4. The Sound window opens. On the Playback tab, select Speaker/Headphone or Speakers and Headphones, and then click Set Default.

5. Select the output device connected with the HDMI cable, and then click Set Default.

6. Right-click the output device connected with the HDMI cable, and then select Show Disconnected Devices. The HDMI cable must be connected when it is configured.

7. To view all the available sound devices, right-click any device shown in the Sound window and select the Show Disabled Device and Show Disconnected Devices options.

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The problem I am currently facing is that I cant select HDMI audio output because it is not listed even if I have selected Show Disabled Device and Show Disconnected Devices . I can only get the Nvidia HDMI audio to show up by changing in the BIOS the graphics to 'discrete graphics' (like I mentioned before). However, the laptop then crashes when I plug it into the TV.

Since both the audio and video is working under Linux, there must be something going wrong running the laptop under Windows.