From cleaning to replacing switches, discover tried-and-true methods for fixing unresponsive keys on your mechanical keyboard ...

However, if you are stuck at the login screen because some of the keys on your keyboard aren't working, you can use Windows' on-screen keyboard to log in.

Is one of the keys not working, malfunctioning, or double-pressing? Here's how to clean your keyboard and fix a stuck key.

The good news is that your computer is neither possessed nor communicating with parallel universes, and the backwards typing can be solved very easily.