I just got the kb2 pro tv set box on Saturday an spent the rest of the weekend trying to get the sound to work right. I have the same symptoms whether I use HDMI or optical for output. While the box is booting there is sound playing. Once it has booted there are no sounds not even system sounds. If I connect it to a blue tooth speaker then it works. If I use miracast then the sound will work also. Any ideas on what I can do as I can't stream or play videos I have on my usb?
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