Step 1:
Obtain a male-to-male HDMI cable.
Step 2:
Connect one end of the HDMI cable to the HDMI output port of your audio source.
Step 3:
Connect the other end of the HDMI cable to the HDMI input port on your computer. Make sure your input device is set to your graphics processing unit (GPU).
Step 4:
Turn on your computer and audio source.
Step 5:
Adjust the audio settings on your computer and audio source to ensure that you're getting the desired sound output.
Step 6:
Enjoy your surround sound system!