How to Check Your Speaker Default Settings
Right-click the speaker icon on the bottom-right of the Windows taskbar.
Select [Sound Settings] or [Playback Devices].
From the list of devices, locate the speakers or headphones you are currently using.
Right-click any unused devices and select [Disable].
Right-click the device you want to use and select [Enable].
Highlight the device and click [Properties].
In the [Advanced] tab, change the Default Format to 16bit, 48000Hz (DVD Quality).
Click the green Test button to verify sound playback.
Click [Apply] and then [OK] to save the changes.
Before Launching the Game
After completing the steps above, open the Playback tab and then launch Hi-Fi RUSH.
If audio is detected, you will see volume bars moving next to your selected playback device.