
NOTE: For information on connecting to AC power, see the Setup Instructions poster provided in the
computer box.
External AC power is supplied through an approved AC adapter or an optional docking or expansion device.
Connect the computer to external AC power under any of the following conditions:
●
When charging or calibrating a battery
●
When installing or modifying system software
●
When writing information to a CD, a DVD, or a BD (select products only)
●
When running Disk Defragmenter
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When performing a backup or recovery
When you connect the computer to external AC power, the following events occur:
●
The battery begins to charge.
●
If the computer is turned on, the power meter icon in the notication area changes appearance.
When you disconnect external AC power, the following events occur:
●
The computer switches to battery power.
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The display brightness is automatically decreased to save battery life.
Testing an AC adapter
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 o.
To test the AC adapter:
NOTE: The following instructions apply to computers with user-replaceable batteries.
1. Shut down the computer.
2. Remove the battery on the computer.
3. Connect the AC adapter to the computer, and then plug it into an AC outlet.
4. Turn on the computer.
●
If the power lights turn on, the AC adapter is working properly.
●
If the power lights remain o, the AC adapter is not functioning and should be replaced.
Contact support for information on obtaining a replacement AC power adapter.
Refreshing your software content with Intel Smart Connect Technology (select
products only)
When the computer is in the Sleep state, Intel® Smart Connect Technology periodically causes the computer
to exit Sleep. If a network connection is available, Smart Connect updates open apps such as your email
inboxes, social network sites, and news pages and then returns the computer to the Sleep state. Smart
Connect also syncs content that you have created oine, such as emails. When the computer exits Sleep, you
have immediate access to your updated information.
Setting power options 37
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