Managing Power 3-7Checking the Battery LevelNOTE: Any battery level indication is an estimated result. The actual operating time canbe different from the estimated time, depending on how you are using the computer.By Operating SystemYou can check the approximate battery level using the battery meterfunction of the operating system. To read the battery level in Windows,click the icon on the taskbar. (Click the icon if the computer isusing AC power.)By Gas GaugeOn the exterior side of the battery pack is a gas gauge for displaying theestimated battery charge. When the battery pack is not installed in thecomputer and you want to know the battery charge, you can press theon/off switch with a pointed device to see the corresponding value ofindicator segment that light green. The value of the corresponding greensegment indicates the relative percentage of the battery charge. Thebattery pack is fully discharged when you see no segment glowing green.Replacing the Battery PackCAUTION:z There is danger of explosion if the battery is incorrectly replaced. Replace thebattery only with the computer manufacturer’s optional battery packs. Discard usedbatteries according to the dealer’s instructions.z Do not attempt to disassemble the battery pack.If you often rely on battery power for a long period of time whiletraveling, you may consider the purchase of an additional battery packfrom your dealer and keep it with you in a fully charged state as a backup.To replace the battery pack, follow these steps:1. Make sure that the computer is not turned on or connected to ACpower.
