Source: West information
An interesting try: press and hold the right Ctrl at the same time, then press Scroll Lock twice, Windows will blue screen appears, showing: *** STOP:0x000000E2 (0x00000000,0x00000000,0x00000000,0x00000000)。
This is not a Bug, it's just a Windows A functionality, Yes, is to get to the blue screen function. Although Windows is not particularly stable, especially the XP and Vista era, not everyone had the privilege to see the famous Blue Screen failure. So, Microsoft provides this feature, for testing purposes. Here Microsoft made a detailed description: http://support.microsoft.com/kb/244139 the. !
First do not hurry to test, before also need to do some prep work.
Depending on your keyboard, locate the following registry key:
1, A USB Keyboard: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\error\Parameters 2, PS/2 keyboard: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\i8042prt\Parameters
Create a new DWORD key, name: CrashOnCtrlScroll, and its value is 1. As shown below: ! Then, restart the machine, press and hold the right Ctrl at the same time, then press Scroll Lock twice and it will appear at the top of this blue screen. Reminder: to do this try-before-done current work in the aftermath of it!
（Text picture and method from: howtogeek it.