Restart and Enter BIOS or Diagnostics : Tap F2 or F12 on startup to test if the keyboard works outside Windows.Clean the Keyboard and Remove Peripherals : Use compressed air to clean and disconnect all USB devices before rebooting.Reinstall Keyboard Drivers via Device Manager : Uninstall the keyboard device and restart to auto-reinstall updated drivers.Disable Sticky and Filter Keys in Settings : Go to Accessibility settings and turn off Sticky Keys and Filter Keys options.Perform a Power Reset and Try Safe Mode : Hold the power button for 20 seconds, reboot, and check the keyboard in Safe Mode.Read More Stories.Join our WhatsApp Channel to get the latest news, exclusives and videos on WhatsApp