Hi! I just bought a new computer well new tower actually. Anyway i just bought a new tower only the tower cause i already had a monitor. anyway i am using my really old last computers speakers and the volume is so low. i have it turned up as high as it goes but the volume is really low! my speakers dont have their own volume knob but they work fine. if it helps my old speakers are xp emachines and my new computer is a hp vista. Can someone help?