Filter
Top Products
Using a Battery 37
Depending on how you set the power management options in the
Power Options Properties
window or the QuickSet Power Management Wizard, you may also use one of the following
methods to enter hibernate mode:
• Press the power button.
• Close the display.
• Press <Fn><F1>.
NOTE: Some PC Cards may not operate correctly after the computer exits hibernate mode. Remove and
reinsert the card (see "Removing a Card or Blank" on page 69), or simply restart (reboot) your computer.
To exit hibernate mode, press the power button. The computer may take a short time to exit
hibernate mode. You cannot make the computer exit hibernate mode by pressing a key or touching
the touch pad or track stick. For more information on hibernate mode, see the documentation that
came with your operating system.
Configuring Power Management Settings
You can use the QuickSet Power Management Wizard or Windows Power Options Properties to
configure the power management settings on your computer. For more information about
QuickSet, right-click the QuickSet icon in the taskbar and click
Help
.
Accessing Power Options Properties
Windows XP
Click
Start
→
Control Panel
→
Performance and Maintenance
→
Power Options
.
Windows Vista
Click
Start
→
Control Panel
→
System and Maintenance
→
Power Options
.
Charging the Battery
When you connect the computer to an electrical outlet or install a battery while the computer is
connected to an electrical outlet, the computer checks the battery charge and temperature. If
necessary, the AC adapter then charges the battery and maintains the battery charge.
NOTE: With Dell™ ExpressCharge™, when the computer is turned off, the AC adapter charges a
completely discharged battery to 80 percent in about 1 hour and to 100 percent in approximately 2 hours.
Charge time is longer with the computer turned on. You can leave the battery in the computer for as long
as you like. The battery’s internal circuitry prevents the battery from overcharging.
If the battery is hot from being used in your computer or being in a hot environment, the battery
may not charge when you connect the computer to an electrical outlet.