If your keyboard stops working, don,t be panic , you have to check few things. Before you replace the keyboard. Keyboard stops suddenly due to
- Software issues.
- Port Issues (USB or PS/2 port ).
- Loose connections.
Solution
- Check the connection from keyboard to the Computer , If it is USB Disconnect and reconnect the device. If the keyboard is PS/2 then your need to disconnect and reconnect the device also you need to restart the machine If you are using the Wireless keyboard you need to Update the Driver or Re install the driver may require.
- Download the latest Keyboard Software From Microsoft website. http://www.microsoft.com/hardware/download/download.aspx?category=MK