ASUS h87M-E no sound to receiver

[What it is]

I have an ASUS h87M-E motherboard. Just purchased n Onkyo Receiver 5.1 sourround. I want to use HDMI cable to my receiver for sound but doesnt work. I changed the BIOS options to reflect HDMI and still doesnt work. I updte the Realtek Audio drivers and everything

help

 

[popatim]

Did you set the pc's default playback device to the HDMI of your gpu? (there may be a second one shown that belongs to the integrated gpu)