Help me!Problems with sound in Rust

Hello Guys!Everytime i launch rust there are no any sound.no music,no guns sounds,but in other games there are sound but not in rust.Reinstall rust - same problem . I dont want to reinstall my windows guys.If y can help me write here.

[editline]1st April 2016[/editline]

Ok thank y guys,im going to write a ticket in support