1. Open notepad and copy below codes into it.

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

    2. Then save this file as dance.vbs (name can be anything but .vbs is must)
    3. Open your save file and see your keyboard led blinking like disco lights.- See more