It’s usually useless… UNTIL NOW! Note: This only works on XP machines( If they havent upgraded this may force them to change…move away from xp for good)
(1)Start > Run. Type in “regedit” and click “OK”.
(2)Go to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\i8042prt\Parameters by using the dropdowns in the sidebar.
(3)Edit > New > DWORD Value. Set the name to CrashOnCtrlScroll.
(4)Right-click on this newly created value and click on Modify
(5)Enter the number 1 in the Value data field and click on OK.
(6)Close regedit and reboot your system.
(7)Now you can blue screen (crash) your system by holding the right CTRL key and pressing “Scroll Lock” twice.