hi guys i need your help, my friend got a Dell PC and a flat screen monitor. So he try to connect a regular 15 pins cable from monitor to cpu system,. when I ON the system getting message like this [connect a vga cable which comes when you buy the system etc]. This is a win Vista system, having old style vga & new style white vga connector behind it. so i dont know what to do know, I took some pictures of monitor connector & cpu connector, please let me know ehich cable need this PC or what kind of settings i have to do to use regular 15 pins cable get work on it. pic 578 is on cpu connector pic 574 is on monitor connector thanks for your answers.