Acer Extensa Series User Manual page 19

Using the AC Adapter
To connect the AC adapter, complete the
following steps:
1. Turn off the power, or press the Suspend to
Disk button to put the computer into
suspend-to-disk mode.
2. Connect the female connector of the AC cord
to the inlet on the AC adapter.
3. Plug the DC connector into the matching jack
on the rear panel of the computer.
4. Plug the male end of the AC cord into a wall
receptacle using the correct voltage.
5. Turn the computer on.
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