Gigabyte GA-8VM533 User Manual page 73

STEP 4 :
Choose the "5.1 surround sound
speakers" and click "OK".
STEP 5 :
You'll find an icon on the taskbar's status area.
Click the audio icon "Volume" from the windows
tray at the bottom of the screen.
STEP 6 :
Click Options\Advanced Controls.
STEP 7 :
Click "Advanced".
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