User's Manual

Troubleshooting power problems
Test the AC adapter if the computer exhibits any of the following symptoms when it is connected to
AC power:
●
The computer does not turn on.
●
The display does not turn on.
●
The power lights are off.
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 be sure that 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 support for information about obtaining a replacement AC power adapter.
Running on external AC power 45