You can make the most of your PC Speakers and Microphone using Realtek HD Audio Manager. Learn about how to open & use it & the features included in it.

I'm not sure what's going on here in the sense that the OP is quite confusing. A Chromecast Audio isn't something you plug into a computer. You'd plug it into your speaker system.

Return to the Device Manager, then choose System Devices, then right-click on Intel(R) Smart Sound Technology Audio Controller. Finally, hit the Uninstall button and wait for the task to be completed.

I have on-board realtek audio. Does it process audio coming from a USB headset with it's own USB amplifier on the cord plugged in via USB or does realtek only process hardware plugged into the 3.5 ...

The Realtek High Definition Audio Driver is installed on Windows computers that come with Realtek audio cards. The bug was reported to the vendor on July 10, 2019, and it received a patch on ...