Microphone, What should i do if my microphone does not work, How can i prevent microphone feedback – Sony VGN-AW190NAB User Manual

VGN-AW190NCB, VGN-AW190YCB, VGN-AW190YAB, VGN-AW190J, VGN-AW125J, VGN-AW120J, VGN-AW180Y, VGN-AW170Y, VGN-AW190NIH, VGN-AW190Y, VGN-AW110N, VGN-AW110J, VGN-AW190YBB, VGN-AW190N, VGN-AW190NBB, VGN-AW160J, VGN-AW130J, VGN-AW190JAH, VGN-AW190