1. The plug is usually bent beyond the breaking point by somebody stepping on the cable while it's plugged into the laptop. In this case you are very lucky if it also doesn't damage the internal power socket inside the laptop. We can fix this problem without having to replace the whole power supply. It is much cheaper and you also get a 3 month warranty on the fix.

2. The cable is usually damaged in most cases by simply being run over with an office chair over and over again. We all do it!. The other most common cause believe it or not is the cable being chewed by pets. This can be still repaired without replacing the power supply with a new one. Be careful if you notice the pet problem as it can be dangerous to your pet as it can cause electricution and there have beed deaths recorded too.

3.The internal power circuit board fails usually because a power surge caused by either by lightning or power failure. In this case a repair is not economically viable, we recommend replacing it with a new one.