hey i have the turtle beach usb micro thing, and i installed it and it went ok. i also have the sigmatel c major audio that came with the laptop, and i left it alone. it worked fine for a while, other then minor clipping after the usb install, and then today, it started sqealing loud as hell untill i turned off the speakers... logitech 5.1. its almsot like there is a microphone problem but i dont have a microphone. i uninstalled sigmatel and it seems stable but i dont know. what should i do, can someone please IM me at KMCCHS05 on aim, or shoot me an email at [email protected] please.