Hello,
I have no problems with "Sound effects" tab running 2.63:
In basic mode there are predefined equalizer settings. If I want to go to manual settings, I just click the icon "Change to graphic EQ" and I have EQ with traditional sliders. I have no idea why this is not showing for you. Maybe try full uninstall of the driver, then new installation. Or maybe Driver Sweeper will help?
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