Created attachment 168182 [details] dmesg.boot My sound RealTek ALC898 is getting detected as RealTek ALC899 so it get detected wrong, and sound doesn't work.. I will attach dmesg.boot and sndstat. Motherboard/builtin soundcard: http://www.gigabyte.com/products/product-page.aspx?pid=4139#ov [root@huugin] cat /dev/sndstat Installed devices: pcm0: <NVIDIA (0x0041) (HDMI/DP 8ch)> (play) pcm1: <NVIDIA (0x0041) (HDMI/DP 8ch)> (play) pcm2: <NVIDIA (0x0041) (HDMI/DP 8ch)> (play) pcm3: <NVIDIA (0x0041) (HDMI/DP 8ch)> (play) pcm4: <Realtek ALC899 (Rear Analog 7.1/2.0)> (play/rec) default pcm5: <Realtek ALC899 (Front Analog)> (play/rec) pcm6: <Realtek ALC899 (Onboard Digital)> (play) pcm7: <Realtek ALC899 (Rear Digital)> (play) dmidecode: Base Board Information Manufacturer: Gigabyte Technology Co., Ltd. Product Name: Z77X-UD5H Version: F15q Release Date: 01/07/2013