Hi.. ther is a message that appears on my lenovo computer : skd881x daemon has stopped working... what is skd881x daemon..?? is it a software or a hardware..?? when this message appears.. a problem in the sound ,exactly in the volume appears too... the volume diminish from 100 to 0.. what can i do to solve this problem...now there is no voice on my computer.. pleaaaaaaaaaaase help,thanks