A User Calls the Help Desk from the Road Complaining

Multiple Choice

A user calls the help desk from the road complaining that her new laptop's power adapter is not working correctly. She recently purchased this laptop to replace an older model laptop. A mobile phone plugged into the same wall outlet receives power, and the user states that the power adapter at her office works fine. What is MOST likely the problem?

A) The battery is not inserted and locked properly.
B) The customer is using the power adapter for the older model laptop.
C) The user is not using a power converter.
D) The power outlet is not providing enough voltage.