Why cannot I get 5.1 channel audio output sucessfully after installing audio kit and setting up relevant hardware and software correctly?

Related Model ( 213 )

GA-8IE (rev. 1.x)
GA-8IEML-T (rev. 1.1)
GA-8IEX (rev. 2.0)
GA-8IG (rev. 1.0)
GA-8IGML-T (rev. 1.0)
GA-8IGX (rev. 1.x)
GA-8IHXP (rev. 2.1)
GA-8IR533 (rev. 1.0)
GA-8SR533 (rev. 2.x)
GA-8IEMK
GA-8IGMK (rev. 1.x / 2.x)
GA-8ST-L (rev. 1.x)
GA-8IE533 (rev. 2.0)
GA-8SG667 (rev. 1.x)
GA-8SR533P (rev. 3.x)
GA-8PE667 (rev. 1.0)
GA-8ST667 (rev. 3. x)
GA-8ST667-L (rev. 3.x)
GA-8PE667 Ultra (rev. 1.0)
GA-8PE667 Pro (rev. 1.0)
GA-8GE667 (rev. 1.x)
GA-8GE667 Pro (rev. 1.X)
GA-8IEXP (rev. 2.0)
GA-8GEM667 (rev. 1.0)
GA-8INXP (rev. 1.x)
GA-8GEM667K (rev. 1.0)
GA-8LD533-P (rev. 1.0)
GA-8PE667 Ultra 2 (rev. 1.0)
GA-8SQ800 Ultra (rev. 1.x)
GA-8SQ800 (rev. 1.x)
GA-8ST800-L (rev. 1.x)
GA-8SG800 (rev. 1.x)
GA-8VD667 (rev. 1.x)
GA-8VD667K (rev. 1.x)
GA-8GEMT4 (rev. 1.x)
GA-SINXP1394(GA-8SQ800 Ultra2) (rev. 1.x)
GA-8PE800 (rev. 1.1)
GA-8PE800 Pro (rev. 1.1)
GA-8PE800 Ultra (rev. 1.1)
GA-8GE800 (rev. 1.1)
GA-8GE800 Pro (rev. 1.0)
GA-8IR2003 (rev. 2.0)
GA-8IE800 (rev. 1.x)
GA-8KNXP Ultra (rev. 1.x)
GA-8KNXP (rev. 1.x)
GA-8IK1100 (rev. 1.x)
GA-8IP900 (rev. 1.0)
GA-8IP900-L (rev. 1.0)
GA-8PENXP (rev. 1.x)
GA-8S648FX (rev. 1.0)
GA-8IPE1000 Pro (rev. 1.x)
GA-8IPE1000 (rev. 1.x)
GA-8IPE1000MK (rev. 1.x)
GA-8IG1000 Pro (rev. 1.x)
GA-8IG1000 (rev. 1.x)
GA-8IG1000MK (rev. 1.x)
GA-8IG1000MT (rev. 1.0)
GA-8IP900MK (rev. 1.x)
GA-8S650GXM (rev. 1.x / 2.x)
GA-8PE800-L (rev. 1.1)
GA-8IPE1000-L (rev. 1.x)
GA-8S648FX-L (rev. 1.0)
GA-8S648FXM (rev. 1.0)
GA-8S648 (rev. 1.0)
GA-8S650GXM-P (rev. 1.x)
GA-8S650GXM-P-C (rev. 1.x)
GA-8S648-L (rev. 1.0)
GA-8ST800 (rev. 1.x)
GA-8SG800P (rev. 1.X)
GA-8IPE1000 (rev. 2.x)
GA-8IPE1000-L (rev. 2.x)
GA-8IPE1000 Pro (rev. 2.x)
GA-8IPE1000 Pro2 (rev. 2.0)
GA-8IG1000-L (rev. 1.x)
GA-8I848E (rev. 1.0)
GA-8I848E-L (rev. 1.0)
GA-8I848P (rev. 1.x)
GA-8I848P-L (rev. 1.0)
GA-8S655FX-L (rev. 1.0)
GA-8S655FX (rev. 1.0)
GA-8KNXP Ultra (rev. 2.x)
GA-8I875 Ultra (rev. 2.x)
GA-8I875 (rev. 2.1)
GA-8IG1000 Pro (rev. 2.x)
GA-8KNXP (rev. 2.x)
GA-8IPE1000 Pro3 (rev. 2.0)
GA-8IK1100 (rev. 2.x)
GA-8IG1000-L (rev. 2.x)
GA-8IG1000 (rev. 2.x)
GA-8SIMLH-P (rev. 4.0)
GA-8S650GXM-P (rev. 2.x)
GA-8S661FXM (rev. 1.0)
GA-8VT800 (rev. 1.0)
GA-8IE2004P-L (rev. 1.1)
GA-8IE2004P (rev. 1.0)
GA-8IE2004-L
GA-8IE2004 (rev. 1.0)
GA-8VM533 (rev. 1.0)
GA-8I865GVMK (rev. 1.x)
GA-8S661FXM-F (rev. 1.0)
GA-8VT800-L (rev. 1.0)
GA-8I845GV (rev. 1.0)
GA-8IG1000MF (rev. 1.0)
GA-8PENXP (rev. 2.x)
GA-8I845GV-C (rev. 1.x)
GA-8IG1000MF-P (rev. 1.0)
GA-8S650GXM-P-C (rev. 2.x)
GA-8S655TX Ultra (rev. 1.x)
GA-8TRS300M (rev. 1.0)
GA-8VT880 Ultra (rev. 1.0)
GA-8VT880-L (rev. 1.0)
GA-8VT880 (rev. 1.0)
GA-8VM533P (rev. 1.0)
8VM533M-RZ (rev. 1.0)
8I845GVM-RZ (rev. 1.0)
8I845PE-RZ (rev. 1.0)
GA-8I865PE-L (rev. 1.0)
8S648-RZ (rev. 1.0)
8S648-RZC (rev. 1.0)
8S648FX-RZ (rev. 1.0)
8S648FX-RZC (rev. 1.0)
8S661FXM-RZ (rev. 1.0)
8S651M-RZ (rev. 1.1)
8S651M-RZC (rev. 1.1)
GA-8SIMLH-P (rev. 4.1)
GA-8SIMLH-P-C (rev. 4.0)
GA-8SIMLH-P-C (rev. 4.1)
8S651MP-RZ (rev. 1.0)
8VM800M-RZ (rev. 1.0)
GA-8TRS350MT (rev. 1.0)
8VT800-RZ (rev. 1.0)
8VT800-RZC (rev. 1.0)
8I845GVM-RZC (rev. 1.x)
8I845PE-RZC (rev. 1.0)
GA-8GEM800 (rev. 1.0)
GA-8TRX330-L (rev. 1.0)
GA-8SIMLH-P-C (rev. 3.2)
GA-8SIMLH-P (rev. 3.2)
GA-8S655FX (rev. 1.1)
GA-8S655FX-L (rev. 1.1)
GA-8S661FXM-775 (rev. 1.x)
GA-8I865GVM-775 (rev. 1.x)
GA-8I865GVMF-775 (rev. 1.x)
GA-8I865GM-775 (rev. 1.0)
GA-8I865GMF-775 (rev. 1.x)
8S651MP-RZC
8S648FXP-RZ (rev. 1.0)
8S648FXP-RZC (rev. 1.0)
8S661FXMP-RZ (rev. 1.0)
8I845GE-RZ (rev. 1.0)
8I845GE-RZC (rev. 1.0)
GA-8I865PEM-775 (rev. 1.x)
GA-8S648FX-775 (rev. 1.0)
GA-8S661GXM-775 (rev. 1.x)
GA-8S648FX-775-C (rev. 1.0)
GA-8PE800 Pro-R (rev. 1.0)
GA-8S661GXMP (rev. 1.1)
8I845GVM-RZAC (rev. 1.0)
GA-8S661GXMP-C (rev. 1.1)
GA-8VD667K (rev. 2.x)
GA-8I915ME-GL (rev. 1.x)
GA-8I915ME-G (rev. 1.x)
GA-8I845GVM-775 (rev. 1.0)
GA-8VM800M-775 (rev. 1.0)
GA-8I915ME-GV (rev. 1.x)
GA-8I865GVME (rev. 1.x)
GA-8I865GVMK-775 (rev. 1.0)
GA-8I845G (rev. 1.x)
GA-8I915MD-G (rev. 1.x)
GA-8I915MD-GV (rev. 1.x)
GA-8I915ME-C (rev. 1.x)
8S661FXME-RZ (rev. 1.x)
GA-8VM800M (rev. 1.0)
GA-8IG1000MK (rev. 2.x)
GA-8VM800PMD-775 (rev. 1.0)
GA-8I865GVMK-775 (rev. 1.1)
GA-8I945GME (rev. 1.x)
GA-8S661GXM-775 (rev. 2.0)
GA-8S661FXM-775 (rev. 2.0)
GA-8I865GME-775 (rev. 1.x)
GA-8I865GMK-775 (rev. 1.1)
GA-8I865G775-G (rev. 1.x)
GA-8I865GME (rev. 1.x)
GA-8VT800-P (rev. 1.0)
GA-8I865PE775-G-RH (rev. 2.0)
GA-8I865G775-G-RH (rev. 1.x)
GA-8VM800PMD-775-RH (rev. 1.0)
GA-8I865GMK-775 (rev. 1.0)
GA-8I865GME-775-RH (rev. 1.x)
GA-8I865GMK-775 (rev. 2.0)
GA-8I865GME-775-RH (rev. 2.0)
GA-8I865PE775-G-RH (rev. 3.0)
GA-VM800PMC (rev. 1.0)
GA-8I865GME-775-RH-AS (rev. 1.0)
GA-8I865PE775-G-RH (rev. 4.9)
GA-8I865GME-775-RH-AS (rev. 2.0)
GA-8I865GME-775-RH (rev. 6.6)
GA-8I865GME-775-RH (rev. 3.9)
GA-8I865GME-775-RH-AS (rev. 3.9)
GA-945GCM-S2C (rev. 1.0)
GA-945GCM-S2L (rev. 1.0)
GA-P31-S3G (rev. 1.0)
GA-G33M-S2L (rev. 1.0)
GA-G31M-S2L (rev. 1.0)
GA-945PL-S3G (rev. 1.0)
GA-73VM-S2 (rev. 1.0)
GA-P35-S3G (rev. 1.0)
GA-73PVM-S2 (rev. 1.0)
GA-G31MF-S2 (rev. 2.0)
GA-G31M-S2C (rev. 1.x)
GA-P31-ES3G (rev. 1.x)
GA-G31-S3G (rev. 1.0)
GA-G41M-Combo (rev. 1.3)

Please refer to the user manual and check whether relevant hardware/software settings as well as signal connections are set correctly. Also make sure the multimedia files, such as DVD、CD ROM、and MP3 files, and multimedia players you use support 5.1 channel audio output.