Use a keyboard lock utility or hotkey app
Disable the keyboard in Device Manager
Use a BIOS or UEFI setting if available
Enable a child lock or kiosk mode if supported by the laptop
Connect an external keyboard and disable the built-in one
Use a script or shortcut to block keyboard input temporarily
Lock the laptop screen with Windows + L or Control + Command + Q on Mac
Use accessibility settings to filter or ignore key presses
Remove the keyboard driver and prevent automatic reinstallation
Contact the laptop manufacturer for model-specific keyboard lock options