To test the AC adapter:

1.Shut down the computer.

2.Connect the AC adapter to the computer, and then plug it into an AC outlet.

3.Turn on the computer.

If the power lights turn on, the AC adapter is working properly.

If the power lights remain off, check the connection from the AC adapter to the computer and the connection from the AC adapter to the AC outlet to make sure the connections are secure.

If the connections are secure and the power lights remain off, the AC adapter is not functioning and should be replaced.

Contact customer support for information on obtaining a replacement AC power adapter.

52 Chapter 6 Managing power