Reference Guide
Table Of Contents
- Notebook tour
- HP Write Filters
- Configuration
- Applications
- Pointing devices and keyboard
- Using pointing devices
- Using the keyboard
- Using hotkeys
- Displaying system information
- Decreasing screen brightness
- Increasing screen brightness
- Switching the screen image
- Muting speaker sound
- Decreasing speaker sound
- Increasing speaker sound
- Playing the previous track or section of an audio CD or a DVD
- Playing, pausing, or resuming an audio CD or a DVD
- Playing the next track or section of an audio CD or a DVD
- Using hotkeys
- Using the keypads
- Power
- Power control and light locations
- Shutting down the computer
- Setting power options
- Using battery power
- Using external AC power
- Multimedia
- Wireless
- Modem and LAN
- Security
- Connecting hardware
- Using Media Card Reader cards
- Using ExpressCards
- Hardware upgrades
- MultiBoot
- Computer Setup
- Routine care
- Index

Resolving a low battery level when external power is available
▲
Connect one of the following devices:
● AC adapter
● Optional docking device
●
Optional power adapter
Resolving a low battery level when a charged battery is available
1. Turn off the computer.
2. Remove the discharged battery, and then insert a charged battery.
3. Turn on the computer.
Resolving a low battery level when no power source is available
▲ Save your work and shut down the computer.
Conserving battery power
●
Select low power-use settings through Power Options.
● Turn off wireless and local area network (LAN) connections and exit modem applications when
you are not using them.
●
Disconnect external devices that are not plugged into an external power source when you are
not using them.
●
Stop, disable, or remove any external media cards that you are not using.
● Use the fn+f2 and fn+f3 hotkeys to adjust screen brightness as needed.
●
If you leave your work, initiate Sleep or shut down the computer.
Storing a battery
CAUTION: To prevent damage to a battery, do not expose it to high temperatures for extended
periods of time.
If a computer will be unused and unplugged from external power for more than 2 weeks, remove the
battery and store it separately.
To prolong the charge of a stored battery, place it in a cool, dry place.
NOTE: A stored battery should be checked every 6 months. If the capacity is less than 50 percent,
recharge the battery before returning it to storage.
Calibrate a battery before using it if it has been stored for one month or more.
Disposing of a used battery
WARNING! To reduce the risk of fire or burns, do not disassemble, crush, or puncture; do not short
external contacts; do not dispose of in fire or water.
Refer to the Regulatory, Safety, and Environmental Notices for battery disposal information. These
notices are located in the printed Getting Started Guide.
Using battery power 31










