Using External Ac Power - HP 4310s - ProBook - Core 2 Duo 2.1 GHz User Manual

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Using external AC power

External AC power is supplied through an AC adapter or optional power adapter.
WARNING!
a replacement AC adapter provided by HP, or a compatible AC adapter purchased from HP.
Connect the computer to external AC power under any of the following conditions:
WARNING!
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When you are charging or calibrating a battery
●
When you are installing or modifying system software
●
When you are writing information to a CD or DVD
When you connect the computer to external AC power, the following events occur:
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The battery begins to charge.
● If the computer is turned on, the battery meter icon in the notification area changes appearance.
When you disconnect external AC power, the following events occur:
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The computer switches to battery power.
●
The display brightness is automatically decreased to save battery life. To increase display
brightness, press the
8 Chapter 3 Using external AC power
To reduce potential safety issues, use only the AC adapter provided with the computer,
Do not charge the computer battery while you are onboard aircraft.
fn+f8 hotkey or reconnect the AC adapter.