Solved! how to connect PC to home theatre to have 5.1 audio

[mr007ammudi]

how can i connect PC to my LG home theater while i have OPTICAL IN and HDMI OUT and AUX IN in home theater as you can see in IMAGE down below... so i need 5.1 audio not stereo so please help me how can i solve this case .... it's been a while since i try to solve it but no chance i got only stereo sound which i dont really need i only need 5.1 .. i added photos of both my PC and Home theater so it will help you to recognize the model and all available slots

 

[jsmithepa]

The easiest way to accomplish this is getting a sound card/dongle? on the PC with OPTICAL OUT.

 

[robert600]

It doesn't look to me that the LG supports 5.1 -it looks like a 3.1 system - no surround speaker output terminals?