I have a Asrock z97 pro M Mobo,Windows 10 Technical preview..No Speakers at the Moment But My Mobo Speaker makes some crazy Static..it did the same thing on another Computer i have with Asus Sabertooth 990Fx mobo lot of static on Mobo Speaker with no speakers hooked up to it and I run Winddows 7 Ultimate 64 Bit,Like i said Both Computers MOBO Speakers emit this God for saken Noise..Is it a Hacker or what ,I thought those Little Mobo Speaker are to just emite error Codes..I would appreciate a Fix ,I can't keep building Computers and Keep getting that God Awful Mobo Speaker Noise..