I can't access my cpu's internal 1.5w speaker in my lenovo thinkcentre. My internal speaker works before I update my windows 10.But when I update my w

[Windows 10]

I can't access my cpu's internal 1.5w speaker in my lenovo thinkcentre. My internal speaker works before I update my windows 10.But when I update my windows there is no option for the internal speaker. After update realtek audio manager is installed, I think it was because of the realtek audio manager.

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