Turn off the laptop and make sure it isn't plugged ... at which point you can also clean behind the keycaps and deeper inside the keyboard itself. Be extremely careful when attempting this method ...

This could be a reason for your laptop keyboard not working. In addition, batteries can expand when they get older, causing pressure inside the device and pushing the keyboard out of place.

You need to carry this laptop to the service center. Read Keyboard typing wrong letters. Dust can accumulate inside electronic devices. This accumulated dust can cause some parts of the ...

Spilling something potentially sticky across the top of your laptop keyboard is often cause for ... again until you are confident that any liquid inside has evaporated. Depending on the type ...

For example, you may have dropped it on the floor and that could have broken some of the modules inside ... have a laptop and none of the aforementioned fixes have unlocked your keyboard, then ...