Using a Battery 47Using a BatteryBattery PerformanceNOTE: For information about the Dell warranty of your computer, see theProduct Information Guide or paper warranty document that shipped withyour computer.For optimal computer performance and to help preserve BIOS settings,operate your Dell™ portable computer with the main battery installed at alltimes. One battery is supplied as standard equipment in the battery bay.NOTE: Because the battery may not be fully charged, use the AC adapter toconnect your new computer to an electrical outlet the first time you use thecomputer. For best results, operate the computer with the AC adapter until thebattery is fully charged. To view battery charge status, place the mouse cursorover the battery icon in the Windows notification area.NOTE: Battery operating time (the time the battery can hold a charge) decreasesover time. Depending on how often the battery is used and the conditions under which itis used, you may need to purchase a new battery during the life of your computer.NOTE: It is recommended that you connect your computer to an electrical outletwhen writing to media.Battery operating time varies depending on operating conditions. Operatingtime is significantly reduced when you perform operations including, but notlimited to, the following:• Using optical drives.• Using wireless communications devices, ExpressCards, media memorycards, or USB devices.• Using high-brightness display settings, 3D screen savers, or otherpower-intensive programs such as complex 3D graphics applications.• Running the computer in maximum performance mode (see "ConfiguringPower Management Settings" on page 51 for information about accessingWindows Power Options Properties or Dell QuickSet, which you can useto configure power management settings).Downloaded from www.Manualslib.com manuals search engine