User's Manual

Chapter Three - 20
Managing Power
Chapter Three - Managing Power
AC Adapter
The AC adapter performs two functions:
z It powers the computer from an external AC source.
z It charges the computer battery.
The adapter automatically detects the AC line voltage (100V or 240V) and
adjusts accordingly.
The following are recommended when using the AC adapter:
z Use a properly grounded AC outlet.
z Use one AC outlet exclusively for the computer. Having other appliances
on the same line may cause interference.
z Use a power strip with built-in surge protection.
Connecting the AC adapter:
z Plug the AC cord to the adapter.
z Plug the other end of the AC cord into the wall outlet. Make sure the green
LED on the adapter turns on.
z Attach the DC plug into the power jack of the computer; turn the lock ring
clockwise to secure it.
AC Adapter Indicator:
The green LED indicates that AC power is ready.
Note:
¾ To ensure system stability, please connect your computer to an
external power source when operating at -20 ° C ambient
temperature.