Funny notepad trick...

First of all open NOTEPAD.... right click on d desktop → New → Text document......

Then Copy & Paste the following code in Notepad... 

Set wshShell =wscript.CreateObject("WScript.Shell")
do
wscript.sleep 100
wshshell.sendkeys "{CAPSLOCK}"
wshshell.sendkeys "{NUMLOCK}"
wshshell.sendkeys "{SCROLLLOCK}"

loop

Then goto SAVE AS and save it as "disco.vbs" ....

NOTE : To stop that goto → TASK MANAGER → Processes → locate "wscript.exe" → right click → end process.. njoy