Running On External Power - HP 455 User Manual
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Also See for 455:
- Maintenance and service manual (130 pages) ,
- Quickspecs (23 pages) ,
- Specification (33 pages)
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Running on external power
For information about connecting to AC power, see the Setup Instructions provided in the computer
box.
The computer does not use battery power when the computer is connected to 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.
Connect the computer to external 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 running Disk Defragmenter on computers with internal hard drives
●
When performing a backup or recovery
When you connect the computer to external power:
●
The battery begins to charge.
●
The display brightness increases.
●
The Power Meter icon in the notification area changes appearance.
When you disconnect external power, the following events occur:
●
The computer switches to battery power.
●
The display brightness automatically decreases to save battery life.
●
The Power Meter icon in the notification area changes appearance.
To reduce potential safety issues, use only the AC adapter provided with the computer,
Do not charge the computer battery while you are onboard an aircraft.
Running on external power
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Troubleshooting
