HP OmniBook xe4100 HP Omnibook xe4100 and xe4500 Series Notebook PCs - Corpora - Page 56

To recharge the battery, To get the most from your batteries - won t turn on

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Note CAUTION Batteries and Power Management Using Battery Power Once the computer enters Hibernate mode in this way, you won't be able to turn it on again until you restore power by doing one of the following: • Replace the battery with a charged one. See "Step 1: Install the battery" on page 20. • Plug in the AC adapter. See "Step 2: Connect AC power" on page 22. If you plug in the AC adapter, you can continue to work while your battery recharges. To recharge the battery The AC adapter is normally warm whenever plugged into an AC outlet. The computer is normally warm while recharging. Don't recharge the computer in a briefcase or other confined space, or its battery could overheat. • Plug the AC adapter into the computer. To get the longest operating time, wait until the battery's charge is below 50% before recharging, and then charge it fully (100%). Charging can take up to approximately 2 hours. If you continue working while the battery charges, the charging time may increase to 3 hours. A fully charged battery can operate the computer for up to 2 to 3 hours, depending on your computer's model, power management settings, and level of use. 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 CD-ROM or DVD drive, 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 power button, or click Start, Turn Off Computer (or Shut Down), Standby. • Put the computer in Hibernate mode whenever you want to save your current session, but will not be using the computer for a day or more: press Fn+F12. • Set the automatic timeout settings to emphasize saving power. If your computer has a multispeed processor and uses Windows 2000, use the lower speed on battery power 56 Corporate Evaluator's Guide

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Batteries and Power Management
Using Battery Power
56
Corporate Evaluator’s Guide
Once the computer enters Hibernate mode in this way, you won’t be able to turn it on
again until you restore power by doing one of the following:
•
Replace the battery with a charged one. See “Step 1: Install the battery” on page 20.
•
Plug in the AC adapter. See “Step 2: Connect AC power” on page 22.
Note
If you plug in the AC adapter, you can continue to work while your battery recharges.
To recharge the battery
CAUTION
The AC adapter is normally warm whenever plugged into an AC outlet. The
computer is normally warm while recharging. Don’t recharge the computer in a
briefcase or other confined space, or its battery could overheat.
•
Plug the AC adapter into the computer.
To get the longest operating time, wait until the battery’s charge is below 50% before
recharging, and then charge it fully (100%). Charging can take up to approximately
2 hours. If you continue working while the battery charges, the charging time may
increase to 3 hours.
A fully charged battery can operate the computer for up to 2 to 3 hours, depending on
your computer’s model, power management settings, and level of use.
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 CD-ROM or DVD drive, 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 power button, or click Start, Turn Off Computer (or Shut Down), Standby.
•
Put the computer in Hibernate mode whenever you want to save your current session,
but will not be using the computer for a day or more: press Fn+F12.
•
Set the automatic timeout settings to emphasize saving power. If your computer has a
multispeed processor and uses Windows 2000, use the lower speed on battery power