Running On External Ac Power; Shutting Down (Turning Off) The Computer - HP Laptop User Manual

Running on external AC power

For information on connecting to AC power, refer to the Setup Instructions poster provided in the
computer box.
The computer does not use battery power when the computer is connected to AC external power with
an approved AC adapter or an optional docking/expansion device.
WARNING!
a replacement AC adapter provided by HP, or a compatible AC adapter purchased from HP
specifically for this system.
CAUTION:
computers.
Connect the computer to external AC power under any of the following conditions:
WARNING!
●
When charging or calibrating a battery
●
When installing or modifying system software
●
When writing information to a disc (select models only)
●
When performing a backup or recovery
When you connect the computer to external AC power:
●
The battery begins to charge.
●
The display brightness increases.
●
The power meter icon on the Windows desktop changes appearance.
When you disconnect external AC power, the following events occur:
●
The computer switches to battery power.
●
The display brightness automatically decreases to save battery life.
●
The power meter icon on the Windows desktop changes appearance.

Shutting down (turning off) the computer

CAUTION:
before shutting down the computer.
The Shut down command closes all open programs, including the operating system, and then turns
off the display and computer.
Shut down the computer under any of the following conditions:
●
When you are connecting an external hardware device that does not connect to a USB or video
port
●
When the computer will be unused and disconnected from external power for an extended
period
To shut down the tablet when it is not connected to the keyboard dock:
▲ Press the Windows key and the power button at the same time, and then tap Shut down.
To reduce potential safety issues, use only the AC adapter provided with the computer,
To prevent damage to your system, do not use AC adapters from other tablets or
Do not charge the computer battery while you are onboard aircraft.
Unsaved information is lost when the computer shuts down. Be sure to save your work
Running on external AC power 47