If you are facing problem with your keyboard or some of your keyboard's keys are not working then there is a way in which you can use your mouse as a keybsoard. This is how you can replace your keyboard with PC mouse. You can do this by following these steps. Go to start manu and press "run". If you are not finding "run" command then go to the search bar of the start manu and type "run". Don't type any comma of space.
When run appears type "osk". Dont use any commas, space or symbol. A keyboard will appear on the screen and you can use keys of this keyboard with your mouse.