If your keyboard keys stop working, it doesn't necessarily mean they're broken or need replacement. From checking keyboard ...

Use the following fixes if the Windows Period key is not working on your system: Check the issue with the On-screen keyboard Reinstall the keyboard driver Try another keyboard Disable Sticky Keys and ...

If the keyboard is not working in a VirtualBox virtual machine, follow these solutions: Choose correct pointing device Change keyboard input settings Enable keyboard auto capture Install Guest ...

Before troubleshooting the problem, make sure the issue isn't hardware-related. Keys may stop working if they're stuck, physically damaged (such as after a drop), or if the keyboard connection is ...