How to use keyboard as mouse

We can use keyboard as mouse. If your mouse is not working then you can use this trick till you purchase a new mouse. Just follow these steps:

For Windows 8, windows 7 and windows vista operating system:

1. Start button > Control Panel> Ease of Access Center.
2.  Now Click Make the mouse easier to use.
3.  Now Under Control the mouse with the keyboard, select the Turn on Mouse Keys check box.
4.  Now you have control on mouse pointer by arrow keys on the keyboard

For windows XP operating system:

1. Open control panel 
2.  Click on Accessibility Options > Mouse Tab
3. Now select Use MouseKeys
4. Click on OK 
5.  Activate Number Lock by pressing Num Lock on keyboard.
6. There will be a beep sound.
7.  Now you have control on mouse pointer by arrow keys on the keyboard.

You can press the Alt+Shift+Num Lock to activate the mouse keys.