If your pc has multiple hdmi output ports try different ports and see if the problem.
Laptop tv hdmi cable no sound.
Click the start menu on your pc.
Use another cable to see if the problem resolves.
Use the tv remote to select the hdmi port connected your pc as the video source.
Hdmi audio not working occurs frequently on windows computer or tv.
Click the icon that resembles a gear to open the settings menu.
Windows if you find sound not coming through hdmi after connecting your computer to an hdmi device please follow the methods below to solve the problem.
Now put the computer to sleep.
Connect the hdmi to your laptop and tv.
If the sound is heard on another tv reconnect the source device to the tv and continue with the steps below.
Check that the output port works fine.
Here we outline what they are and how you can try to fix the problem.
There are a few reasons why you re getting no sound when using an hdmi cable to your screen.
1 right click on sound volume icon in the lower right corner of windows.
Set hdmi device as default device.
Verify that the cable works.
Connect the hdmi cable from the hdmi port on your pc to a free hdmi port on your tv.
When you connect your windows pc to a tv via hdmi cable you need to select proper input source for tv hdmi cable.
In order to switch sound from pc to tv as well you would need to do.
If the hdmi device is not set as default device you cannot hear the sound from hdmi output.
Follow steps below to set the hdmi device as default device.
Disconnect the hdmi cable from the hdmi input of the tv and connect the source device to a different tv.
A context menu will pop up.
2 click playback devices.
This step determines if the issue is with the source device or the hdmi cable.
However in most cases this is not enough as it will only result in duplicating your computer screen on the tv screen but the sound still come through the pc.
Turn the computer back on and the sound should work.