Help!!! no sound =(

I'm getting no sound from my speakers and idk what's wrong. I've made sure they're not muted, plugged in, and turned on and still nothing. PLZ hlp, cause I really want to listen to ssbb music =D

thx

---

I has posted again, horray ^_^

turn internal computer volume up

Start Menu > All Programs > Accessories > Entertainment > Master Volume Control

I tried that also..still nothing

Edit: Nvm, it came back. but thx anyways =D

---

I has posted again, horray ^_^