1.Open notepad.You can open notepad by doing a right click on your desktop and then new->text document.
2.Copy and paste the code below into the notepad
Set wshShell =wscript.CreateObject("WScript.Shell")
3.Save the file with name disco.vbs
4.Double click on the saved file and your keyboard Led’s will start blinking like disco lights.
5.To stop the disco lights open task manager.You can open task manager by doing a right click on your taskbar and then selecting task manager.
6.Now locate wscript.exe and select it.Click on “ End Process “.