The only thing i can recommend you at the moment is to run Windows Update to see if any drivers related to your mother board are found, I would also check in Control Panel/device manager to see if any drivers are missing or not working(they will have a yellow ? mark on them. OK just a question after you are finished installing Win 8.1 without installing any drivers,do you get any sound at all with Microsoft's drivers? I can only assume that Windows 8-8.1 already has all the drivers built in for your Motherboard. If you look under MSI's Win 7 X64 drivers list,you will clearly see that the Realtek High Definition Audio Driver stating (NonWin8).ĭon't want to upset you or anything but your mobo might be incompatible with Win 8.1.Since there are no drivers listed on MSI's page for Widows 8-8.1, Windows 8.1 has a lot of drivers already included in the installation process. Hi Badrawan i just checked MSI's official page for your MSI 770T-C45 and there seems to not have any drivers for windows 8.įrom the drop down list under drivers only Win 7 圆4 seems to be supported,i am not saying that Windows 8.1 can't run on your MSI motherboard. Pack with Microsoft High Definition Audio UAAV1.0a(5013) For Windows 2000 SP4, XP SP1, XP SP2, Server 2003 SP1. OS Supporting: Microsoft Windows XP, Windows 2000, Windows Server 2003, Vista, Windows Server 2008, Windows7, Windows 8, Windows 8.1 - x86/圆4 HDMI Device WHQL Support: ATI HDMI Devices (High Definition Audio System Software - Realtek ALC Audio drivers) Name: Realtek High Definition Audio drivers New version of High Definition Audio drivers for sound card from the company Realtek, drivers are designed for operating systems Windows 200X, Windows XP, Vista, Windows 7, Windows 8, Windows 8.1 - 32/64 bit. Realtek High Definition Audio drivers R2.7. Download Realtek HD Audio 2.73 Driver for Windows XP, Vista Windows 7 and 8

Realtek audio driver windows 7