Look at and examine what you used to ask this question and you will discover the answer.
If your keyboard is not working you can install a new keyboard, or if that is not possible an external keyboard can be plugged into a USB port on your computer.
the keyboard on on my C300 laptop computer doesnot respond
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Hard Drive and Keyboard or Power and the computer depending how you look at this question!
Probably your keyboard key is not working. Try to replace that key and try to see if it helps, else you may have to replace your keyboard as the last option...
HELP
The full name of the computer keyboard is the Alphanumeric Keyboard.
The mouse is a major part of the computer. Try working on the computer just using your keyboard, and then you will see why the mouse is very useful.
What are the advancements of the computer keyboard?
Ask a computer specialist. They should be able to fix it.
the keyboard symbols and operations of them
Well you turn off your computer or laptop and you wait for about 5 minutes. Then you turn it back on and you try. If it still doesn't work, you click the refresh button. It it STILL doesn't work, ask a parent.