Batteries and Power Management
Using Battery Power
Corporate Evaluator’s Guide 55
To get the most from your batteries
Follow these suggestions to make your battery’s power last as long as possible.
• Plug in the AC adapter, especially when using a drive in the module bay, or any
external connections such as a PC Card or a modem.
• Set the display brightness to the lowest comfortable level (Fn+F1).
• Put the computer in Standby mode whenever you are not using it for a short while:
press the blue sleep button for approximately one second, or click Start, Shut Down
(or Turn Off Computer), Standby.
• Put the computer in Hibernate mode whenever you want to save your current session,
but will not be using the computer for several hours: press Fn+F12.
• Set the automatic timeout settings to emphasize saving power. If your computer has a
multispeed processor and uses Windows 98 or 2000, use the lower speed on battery
power (the default settings conserve battery power)—see “How the computer
manages power automatically” on page 50.
• If your computer has a wireless on-off button, turn off the wireless function when
you’re not using it. Press the wireless on-off button so the light turns off.
• Change settings in BIOS Setup to emphasize low power use—see “To run the BIOS
Setup utility” on page 177. You can set the graphics mode and display backlight to
use reduced power.
• If you have an I/O PC Card—that is, a PC Card having an external connection, such
as a network card—remove it when you’re not using it. Some I/O cards use
significant power even while they’re inactive.
• If you work with an application that uses the serial port or an I/O PC Card, exit the
application when you finish using it.
• Install another battery—see “To use additional batteries” on page 54.
• If your main battery is rated at 11.1 volts (check its label), purchase a replacement
main battery, which is rated at 14.8 volts.
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