How To Fix Sound Not Working On Chromebook. Even something as simple as a mouse button can fail. Choose Open Sound settings.
Maybe your mic is not working properly. Tap on the extension in Chrome select your Chromecast device. If working on your sound card software has no effect you should try switching to the generic audio driver that Windows 10 offers.
Some of the screen shots and operations could be different from the software versions.
You may not need the whole 25 but you get the idea. Choose Open Sound settings. While the problem of USB Keyboard not working in Windows 10 has been linked to Windows update by some. Learn more about charging your Pixelbook.