![](/images/backgrounds/288673/hp-pavilion-dv6-3225dx-users-manual-54720149x1.png)
Using external AC power
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.
WARNING! Do not charge the computer battery while on board an aircraft.
External AC power is supplied through:
●An approved AC adapter
●An optional docking device or expansion product Connect the computer to external AC power:
●When charging or calibrating a battery.
●When installing or modifying system software.
●When writing information to a CD or DVD. When connecting to external AC power:
●The battery begins to charge.
●If the computer is turned on, the Battery Meter icon in the notification area changes appearance. When disconnecting from external AC power:
●The computer switches to battery power.
●The display brightness is automatically decreased to save battery life. To increase display brightness, press the Increase Screen Brightness key or reconnect the AC adapter.
Using external AC power 43