I have problem with asus x455LD..The beginning of the problem after changing the keybornd hardisk no deteck 5v voltage exists.I have done flas bios main and bios KBC same result...Whether this asus series there protecksi hardisk after the change of keybornd..If friends can help me for this case?

After change keyboard? Any short when connection keyboard/touchpad maybe? Because this model have internal battery, if not check the Daughter Board from MainBoard to your HDD, not only the +5V power, of course the data TX RX line too. If its okay, there's something wrong with SoC Processor