Report what kind of keyboard is that : Wired with a USB connection
or **wireless** keyboard,.? if is wired keyboard "Run the hardware troubleshooter"
also, do you have a desktop or Laptop computer
Follow steps from - Link : https://answers.microsoft.com/en-us/windows/
**** [**forum/all/wired-keyboard-500/633a8722-f881-4fb5-9aa8-1d9930ccc32e**](https://answers.microsoft.com/en-us/windows/forum/all/wired-keyboard-500/633a8722-f881-4fb5-9aa8-1d9930ccc32e)****
if the above fix fails : The link below show steps to uninstall-Reinstall
the keyboard driver, from the Device Manager : Test the
keyboard after. Did work.? : stay Tuned..
Link : https://answers.microsoft.com/en-us/windows/forum/
all/keyboard-typing-random-letters/144c15e7-e25a-4f61-b23a-fc7ef7061f33****