You
Enabling Blue Screen of Death
1. Start “Registry Editor” by clicking on “Start”, then “Run”, type “regedit” and click “OK”
2. Navigate to subkey: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\i8042prt\Parameters
3. In “Edit” menu click “New”->”DWORD Value”
4. Name new value “CrashOnCtrlScroll” (without quotes)
5. Double click on new value to edit it. Set new “Value data” to 1

6. Restart your computer
7. To crash Windows hold down right CTRL key and press thee SCROLL LOCK key two times

More information about this feature is available at Microsoft.
I can’t do it I’ve done it a million times and it won’t work.