Finally managed to repair it. It was my nvida 8600 gt drivers that were for vista. But everything OK now.   So ok i am considering buying sennheiser hd700 to go along with this E1. How do you guys think these two will match up? 

Tried all usb ports to no avail.   I agree it must be conflct. The reason is probably because i am using vista chipset drivers on win7 OS. The reason is i cannot find win7 drivers for my laptop and so far everything worked well.            

Hi,   I have just got asus essence one and i got a problem. I have installed all the latest drivers and upgraded firmware as the asus tray icon also shows and sound is perfect but every once in a while occuring randomly sound stops for about a second like pressing mute button and then...