Missing Buttons - Version 1.2 Missing Buttons software combines all useful but hidden actions in a single place. You can turn off monitor, hibernate the system, start screensaver immediately, lock computer, and perform many other useful tasks. Also you can simulate missing keyboard buttons (Num Lock or Print Screen for example) and even key combinations such as Ctrl+Alt+Del, Ctrl+Shift+Esc, etc. The product is distributed on the Try Before You Buy model with 30-day trial period. The license costs $9.95 per computer or user. There is a volume discount.