Force a crash. You can force Windows 2000 and XP to display the blue screen of death. In the Registry key HKEY_LOCAL_MACHINE\System\ CurrentControlSet\Services\i8042prt\Parameters, find or create a DWORD value named CrashOnCtrlScroll. Double-click on the value and set its data to 1. Restart your computer. Now you can cause a crash by holding the right-hand Ctrl key and pressing the Scroll Lock key twice.