Sometimes ATI HDMI Audio device can be the reason for the audio popping out from your device, Disabling the device ensures it is not the culprit. Sound stuttering / distortion problem in Windows 10.If that thing does not work, try choosing another format from dropdown and then test. Choose 16 bit, 44100 Hz (CD Quality) from the dropdown and then click on Apply. Attempt to run a session - when earning rewards, sound should now play from the computer's speakers.5.Click Apply and then OK at the bottom of this menu.This should cause the icon to appear grayed out. To avoid Windows Updates from switching the sound back to the external display, right-click the external display and select Disable from the right-context menu.
Once this is done, a green checkmark should appear on the bottom-right of Speakers icon. Right-click the Speakers option (typically Realtek High Definition Audio) and select Set as Default Device.These should include Speakers and another option for the external display (typically a monitor icon with a green indicator beneath it). On the Playback tab, you should see a few options listed.