Toshiba Qosmio E15 User Guide - Page 123

123 Mobile Computing Monitoring battery power 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.