Use Keyboard as a Mouse

Yes you can use ur Keyboard as a Mouse when ur mouse is down or in emergency.

Press Shift+Alt+Numlock from ur Keyboard

Press Yes on the window appearing on the screen

Now you will see a Mouse icon in Task Bar

Now you can use your keyboard as mouse.

Navigation Keys (Num Lock Keys)

8 – Up
2 – Down
4 – Left
6 – Right
7,9,3,1 – Directional Navigation

Note: You Must Turn On Num Lock