Boston Acoustics (BA7800) Computer Speakers "power acoustic update" Questions

...no sound. I have The Boston Acoustics BA7800 sound system and there is no sound cominng out I have power and it is hooked up correctly. If I need new ones where do I go to find out what speaker can ...

...drivers. Whenever I play music on my iTunes through some speakers (specifically when the laptop's power cord is not plugged into the laptop) the volume with fluctuate frequently during a song. So ...

...power. the speakers are gateway boston BA745. Finaly when I try to update drivers it says Im using the best version avaible, what do I need to do to fix this? click start control panel on the left ...

... Plug in ONLY the regular wired speakers and ONLY to the green port on the back. Make sure they are powered up and the volume is about half way. OK now you need to call up ether the sound card ...

...power up but no sound. The lights on the sub and speaker powers up but still no sound going through by using anolog port. Boston Acoustic 735 BA. Thanx!! Hello.... No Sound, No Volume Control, Mixer ...