Just go through the steps:-
Now you will see a Mouse icon in Task Bar
4.Now you can use your keyboard as mouse
Note:- You Must Turn On Num Lock
1.Press Shift+Alt+Numlock from ur Keyboard
2.Press Yes on the window appearing on the screen
Now you will see a Mouse icon in Task Bar
4.Now you can use your keyboard as mouse
5.Navigation Keys (Num Lock Keys)
8 – Up
2 – Down
4 – Left
6 – Right
7,9,3,1 – Directional Navigation