How to repair the failure of individual keyboard keys?
1. If the numeric keypad of the desktop computer fails, press Numlock. If the laptop keyboard fails, press Fn+Numlk.
2. Check whether it is a problem with the internal circuit board of the keyboard. If it is, open the keyboard and clean the circuit board
How to repair the failure of individual keyboard keys?
3. The third reason is the keyboard failure caused by incompatible keyboard drivers. Just update the keyboard driver. Here are the specific steps
4. On the computer desktop, find and click Start, and then click Control Panel.
How to repair the failure of individual keyboard keys?
5. Find the “Keyboard” option, right-click “Properties”, click “Hardware”, and click “Properties”.