User Guide - Windows 8
Table Of Contents
- Welcome
- Getting to know your computer
- Connecting to a network
- Navigating using the keyboard, touch gestures and pointing devices
- Multimedia
- Power management
- Shutting down the computer
- Setting power options
- Using power-saving states
- Using battery power
- Finding additional battery information
- Using Battery Check
- Displaying the remaining battery charge
- Maximizing battery discharge time
- Managing low battery levels
- Inserting or removing the battery
- Conserving battery power
- Storing a user-replaceable battery (select models only)
- Disposing of a user-replaceable battery (select models only)
- Replacing a user-replaceable battery (select models only)
- Using external AC power
- Switchable graphics/dual graphics (select models only)
- External cards and devices
- Drives
- Security
- Protecting the computer
- Using passwords
- Using antivirus software
- Using firewall software
- Installing critical security updates
- Using HP Client Security Manager
- Installing an optional security cable
- Using the fingerprint reader (select models only)
- Maintenance
- Backup and recovery
- Computer Setup (BIOS), MultiBoot, and HP PC Hardware Diagnostics (UEFI)
- Support
- Specifications
- Traveling with the computer
- Troubleshooting
- Troubleshooting resources
- Resolving issues
- The computer is unable to start up
- The computer screen is blank
- Software is functioning abnormally
- The computer is on but not responding
- The computer is unusually warm
- An external device is not working
- The wireless network connection is not working
- The optical disc tray does not open for removal of a CD or DVD
- The computer does not detect the optical drive
- A disc does not play
- A movie is not visible on an external display
- The process of burning a disc does not begin, or it stops before completion
- Electrostatic discharge
- Index
Replacing a user-replaceable battery (select models only)
Battery Check notifies you to replace the battery when an internal cell is not charging properly or
when the battery storage capacity has reached a weak condition. If the battery is possibly covered by
an HP warranty, instructions include a warranty ID. A message refers you to the HP website for more
information about ordering a replacement battery.
Using external AC power
WARNING! Do not charge the computer battery while you are onboard aircraft.
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.
NOTE: For information on connecting to AC power, see the Setup Instructions poster provided in
the computer box.
External AC power is supplied through an approved AC adapter or an optional docking or expansion
device.
Connect the computer to external AC power under any of the following conditions:
●
When charging or calibrating a battery
●
When installing or modifying system software
●
When writing information to a CD, a DVD, or a BD (select models only)
●
When running Disk Defragmenter
● When performing a backup or recovery
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 power 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.
Testing an AC adapter
Test the AC adapter if the computer exhibits any of the following symptoms when it is connected to
AC power:
●
The computer does not turn on.
● The display does not turn on.
●
The power lights are off.
To test the AC adapter:
NOTE: The following instructions apply to computers with user-replaceable batteries.
1. Shut down the computer.
2. Remove the battery on the computer.
Setting power options 43