Toshiba Satellite A135-S4407 User Guide 3 - Page 109

Mobile Computing Monitoring main battery power 109 Conserving battery power How long a fully charged battery pack 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 hard disk, optical drive, diskette drives, or other optional devices ❖ 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 Sleep or Hibernation, which saves power when you turn off the computer and turn it back on again ❖ Use the Windows® power-saving option Plans. These power-saving options control the way in which the computer is configured. By using them, you can increase the length of time you can use the computer before you need to recharge the battery. Microsoft® has combined these options into preset Power Plans. Using one of these plans lets you choose between maximum power savings and peak system performance. You may also set individual power-saving options to suit your own needs. The following sections describe how to choose a Power Plan and discuss each power-saving option.