Restart your computer a few times to see if it helps.
Open Start > Settings > Update & security > Troubleshoot
Scroll down
Click Keyboards
Click Run the Troubleshooter
When complete, restart to see if the problem is resolved.
Try connecting the keyboard to a different USB port if its a USB wired keyboard.
Press Windows key + X
Click Device Manager
Expand Keyboards
Right click keyboard
Click Uninstall
Exit Device Manager then restart
Reset your BIOS defaults:
https://www.groovypost.com/howto/reset-pc-bios-...
Try the keyboard with another computer to see if it works.
Check for the latest driver updates for your computer.
Try disabling the RAID settings in the bios.