Henry is having a problem with the electrical system on his current laptop. the battery for the laptop will not charge. henry took the ac adapter and battery from another laptop that is known to work, and put them in his current laptop, but still the battery will not charge.

There is a short circuit in a component in the power circuit.

Explanation:

The power circuit in a computer system, regulates, rectifies and steps down power and voltage entering the main motherboard.

When a power surge capable of damaging the motherboard occurs, A component in the power circuit is shorted, not allowing the dangerous power to pass.

This can be troubleshooted by passing a high current, since the shorted component has a high emf. It over heats and is detected and changed.