How to Unlock a Frozen Keyboard
A frozen keyboard on your computer could be the result of certain keys being enabled or even a glitch or bug in the system. It's frustrating to not have full use of your keyboard but it is possible to remedy the problem without having to program the computer or disassemble the unit. Fixing a frozen keyboard takes only a minute or two.
Click on the "Start" tab at the bottom of your desktop screen. A list of options will appear in a drop-down menu.
Click "Settings" from the list of options.
Click "Control Panel" and then "Accessibility Options." A window will appear on the screen.
Click the "Keyboard" tab at the top of the window and make sure all three checkboxes are unchecked. This will disable all locking keys on the keyboard and unlock the keyboard.
Restart your computer and the settings will be saved.