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 ...
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 ...
Repeat delay: Controls the time delay before a keystroke repeats when held down. Repeat rate: Determines the speed of repeated keystrokes. Press the Windows key, type Device Manager, and hit Enter.