If you're connecting a device to a display and your USB-C to HDMI connection isn't working, there are some quick steps you ...
plug into a different USB port. However, if that’s to no avail, check out the solutions mentioned earlier. Read: USB Mass Storage Device driver not showing or working How do I get rid of power ...
When you plug a USB device into your computer, it recognizes it and installs its driver (if required). Sometimes it fails to do so. Therefore, try removing and then replugging the Keyboard.