To Identify the correct replacement charger, you'll need to ascertain which type of ASUS laptop you own. How Do I Know the Correct ASUS Laptop Charger for My Laptop? Broken plug: If your detachable plug has broken, cut or shorted out, then you had better replace it as soon as possible lest you end up burning down your house.Power surge: Unexpected power surge from an AC line is capable of frying the converter found in the sealed box of the ASUS laptop charger.Normally, your ASUS AC adapter heats up and cools down each time you use it and this may cause the internal parts to corrode. Dirty power: This can stress components.It happens that all things electronic have a finite life they fail after a certain time. It's worth noting that having a laptop charger is one thing and having a working laptop charger is the other. Without an Asus laptop charger, you'll not be able to do anything with your ASUS Laptop other than admiring its beautiful finish and design. Every laptop is equipped with a battery that stores the power to run the laptop for a given duration of time, but what happens when the battery runs out of charge? This is when your ASUS laptop power adapter comes in handy it will not only power the laptop but also recharge the battery. A laptop, just like any other electrical equipment, is only able to run on a given constant source of energy.