Please help, my audio is suddenly gone. The audio icon appears with an X mark saying that there is no audio output device installed. I have tried downloading the driver for audio using this link http://h10025.www1.hp.com/ewfrf/wc/product?product=5375735&lc=en&cc=ph&dlc=en&ssf=
but was aborted saying that the hardware is not compatible. My laptop is
HP Pavilion TouchSmart 14-b164tu Sleekbook