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Using the energy savings feature
The AC power adapter automatically enters the power-saving mode
when the laptop is not in use and the battery is fully charged.
The AC power adapter “wakes up” periodically to determine if power is
needed and supplies power if the laptop is being used.
When you want to use your laptop, begin typing or touch the power
switch on the AC power adapter’s Smart Tip. The AC power adapter
resumes “active” mode and begins supplying power to your laptop.
NOTE: If you are using the USB port to charge or operate a smaller
device, disconnect the USB cable from the AC power adapter when
done. The AC power adapter will not enter the “sleep” mode if the USB
cable is connected to the adapter.
NOTE: If your laptop battery cannot hold a charge for more than a few
minutes or if you do not have a battery in your laptop, your “Standby”
or “Hybrid Sleep” (Vista only) modes may not function correctly. This is
because the standby power saving feature of your AC adapter turns on
when power is not needed. If you want to disable your adapter’s energy
saving feature, you can plug any USB cable into the USB port on the
adapter. You may also consider either replacing your laptop battery
with a new one or using the “Hibernate” or “shutdown” instead of
“Standby” or “Hybrid Sleep.”
Power switch