Using a Batter y 49Installing the Optional Extended BatteryStoring a BatteryRemove the battery when you store your computer for an extended period of time. Abattery discharges during prolonged storage. After a long storage period, recharge thebattery fully before you use it. See "Charging the Battery" on page 47.Power ProblemsNOTE: See theDell Inspiron Help file for information on standby mode. To access help, see"Finding Information for Your Computer" on page 17.C H E C K T H E P O W E R L I G H T — When the power light is lit or blinking, the computer has power. Ifthe power light is blinking, the computer is in standby mode—press the power button to exit standbymode. If the light is off, press the power button to turn on the computer.