How To Fix A Dead Key On Your Keyboard. In case youre experiencing problems with your mouse and touchpad as well press and hold the power button on your PC for a few seconds after which the device will turn off. The good news is you dont need a functioning keyboard to restart your laptop.
Place your hands on both sides of the keyboard and lift the face plate gently from its front and back. Take your time to avoid causing damage to the circuit board. So try cleaning the keyboard.
A bit fiddly but could fix it.
This minute difference in the length of the key protrusion is usually enough to make the note work properly again. If only a few keys fail dirt and dust may be the culprits. Once the unit is open you will see some long phenolic strips usually with diodes on them that span the length just behind the keys. Remove the keys for the section of circuit board with the dead key along with the rubber contact pad.
