Do you encounter a situation where the keyboard is not functioning, but you still have to continue the troubleshooting work? Or you are rushing assignment deadline, but the notebook keyboard is not working? No worries this is not end of the world, in Windows operating system it has a built-in On-Screen Keyboard, you can select the keys by mouse.
1. In Windows7 clicking the start button follow by,
2. Select all Programs,
3. Select Accessories,
4. Select Ease of Access
5. Select On-Screen Keyboard.