HP Pavilion dv4-2100 Power Management - Windows 7 - Page 9

Using external AC power

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2 Using external AC power External AC power is supplied through one of the following devices: WARNING! To reduce potential safety issues, use only the AC adapter provided with the computer, a replacement AC adapter provided by HP, or a compatible AC adapter purchased from HP. ● Approved AC adapter ● Optional docking device or expansion product Connect the computer to external AC power under any of the following conditions: WARNING! Do not charge the computer battery while you are onboard aircraft. ● 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: ● 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: ● The computer switches to battery power. ● The display brightness is automatically decreased to save battery life. To increase display brightness, press the fn+f8 hotkey or reconnect the AC adapter. 5

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2
Using external AC power
External AC power is supplied through one of the following devices:
WARNING!
To reduce potential safety issues, use only the AC adapter provided with the computer,
a replacement AC adapter provided by HP, or a compatible AC adapter purchased from HP.
●
Approved AC adapter
●
Optional docking device or expansion product
Connect the computer to external AC power under any of the following conditions:
WARNING!
Do not charge the computer battery while you are onboard aircraft.
●
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:
●
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:
●
The computer switches to battery power.
●
The display brightness is automatically decreased to save battery life. To increase display
brightness, press the
fn+f8
hotkey or reconnect the AC adapter.
5