I just built a new computer system and all is well except my speaker system.<BR><BR>The subwoofer of the Altec Lansing AVS300 system has a loud hum. The subwoofer is not shielded so I set it 3 feet ...

Wonder if anyone can help me with this.<P>I have a altec lansing subwoofer/speakers (ACS 31)<BR>which lately has been giving me loud humming problems.<P>Nothing has changed as far as connectors and ...