Today we are going to see how can we use our keyboard as mouse instead of our external mouse.
1. Go to Control Panel---> Ease of Access.
2. In Ease of Access click Ease of Access Center.
3. Click Make the mouse easier to use.
4. Click turn on Mouse Keys and click apply.
5. To switch between the operation, press Alt+left Shift+ NumLock.
6. You can use the arrows in the number pas to move your mouse pointer.