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3 Click the Setup Action tab. 4 Select the Alarm settings in the Setup Alarm section. Before your computer runs out of battery power, save your data and take one of the following actions: . Suspend or shut down your computer. . Shut down your computer and replace the main battery with a charged one. . Connect your computer to an AC power source. Conserving battery power How long a fully charged battery lasts when you are using the computer depends on a number of factors, such as: . How the computer is configured . How much you use the display panel instead of an external monitor . How much you use the hard disk and other drives . Whether you use any optional devices to which the battery supplies power, such as a PC Card . Where you are working—since operating time decreases at low temperatures There are various ways in which you can conserve power and extend the operating time of your battery: . Enable Standby or Hibernation, which saves power when you turn off the computer and turn it back on again. . Use Toshiba’s power-saving options. These power-saving options control the way in which the computer is configured. By using them, you can greatly increase the length of time you can use the computer before you need to recharge the battery. Toshiba has combined these options into preset power usage modes or profiles. Power profiles in Windows XP In Windows XP, you can choose from predefined power profile or select your own combination of power management options. The following steps describe this procedure. NOTE If you try to use the power management feature in Windows, a message tells you to close the Microsoft power options and use the Toshiba Power Saver instead. 1 Open the Start menu, click Control Panel, then Performance and Maintenance. 2 Click on the Toshiba Power Saver icon. 3 Select an appropriate profile for your work environment, or create your own custom profile. 4 For more information, see “Power Saver” on page 153. Using a hot key to set the power profile You may use a hot key to set the power profile. To set the power profile: 1 Press Fn and F2 simultaneously to display the power profile pop-up window. Sample Power Profile mode pop-up window 2 While continuing to press Fn, press F2 until you select the desired power profile. The power profile options are: Full Power, High Power, Normal, DVD Playback, Presentation, and Long Life. 3 Release the Fn key. The pop-up window disappears. You are now in the selected mode. For more information on setting the battery power profile, see “Power Saver” on page 153. Changing the main battery When your battery power is running low, you have two options—connect the computer to an AC power source or install a charged battery. When handling a battery, be careful not to drop it or shortcircuit its terminals. Also, do not drop, hit, or otherwise impact the battery. Do not scratch or break the casing and do not twist or bend the battery pack. Do not remove the battery pack while...

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