The keyboard device is an extremely important computer accessory, as you need it to properly use a computer system. In the case that you find that the keyboard is not responsive or frozen, this signifies a keyboard "lock out" error. The cause of such an error can be a number of things. Repairing a keyboard lock out error means that you have to test and eliminate a number of potential causes. Through this elimination, you should find the cause of the error and fix it.
Ensure that the computer keyboard is actually attached to your system. The keyboard's wire should be plugged into a USB port on your computer's tower. If the keyboard is unplugged from the tower, your computer will not recognise the device, thus causing the lock out.
Reboot your computer by pressing the "F8" button upon start-up and selecting "Reboot." Errors that are running in the background in your computer can cause conflicts with devices such as keyboards, causing lock out errors. A reboot should clear any errors in the background.
Click the "Start" button in your computer's desktop and right-click on the "My Computer" icon and select "Properties." Choose "Device Manager," browse through the device manager list and select "Keyboard." Right-click on the "Keyboard" option and choose "Properties." Click the "Driver" button. If your keyboard reads as "Disabled," click the "Enable" button to enable the keyboard. You can also click on "Roll Back Driver" to go back to the latest drivers for your keyboard that worked properly. This should also clear any lockout errors in your keyboard.
Restart you computer to ensure functionality. Click the "Start" button in the computers desktop and click the "Turn Off Button." Click on the "Restart" button.