No speakers found after driver update

[Keith Nelson4]

I ran CCleaner and followed the recommendation to update 9 drivers. One of them was the RealTek audio driver. So I ran the update. After rebooting, I had an x next to my speaker icon. Now I have no speakers installed. I tried to reinstall RealTek Audio but after received a message that the speaker could not be found. In my audio settings there are no output or input devices listed. I tried a system restore, but it failed. No audio no matter what I try. Help!

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