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If you can find out Speaker Fill in Sound settings, it is wise to enable it to see whether there is sound from the speaker.ġ. Therefore, turning on Speaker Fill does work for some people who are confronted with surround sound not working on Windows 10. Solution 1: Turn on Speaker FillĪs it has been suggested, in some cases, audio function of Speaker Fill can create virtual environment for playback of stereo audio sources on surround speaker system. But for Realtek HD audio, you can also try to change the sound bit and frequency to see if it works. Therefore, this post will principally teach you how to resolve this surround channel 5.1 fails to work issue in terms of drivers.
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