6. Slide the secondary battery pack all the way into the bay and close therelease knob.7. Close the cover.Battery Low Signals and ActionsWhen the battery is low, Windows gives warning messages and the BatteryCharge Indicator ( ) blinks amber to alert you. Immediately save your dataupon Battery Low. The remaining operating time depends on how you areusing the computer. If you are using the audio subsystem, PC card, hard orUSB flash disk, the battery might run out of charge very quickly.Control Panel Power OptionsAlways respond to Battery Low by connecting the AC adapter, turning offthe computer, or placing your computer on Hibernation mode.