Dell Latitude D820 Technical Manual

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Contents

display — For more information about your display, see Using the Display.power button — Press the power button to turn on the computer or exit a power management mode(see Power Management Modes).NOTICE: To avoid losing data, turn off your computer by performing a Microsoft® Windows®operating system shutdown rather than by pressing the power button.If the computer stops responding, press and hold the power button until the computer turns offcompletely (which may take several seconds).device status lightsTurns on when you turn on the computer and blinks when the computer is in a powermanagement mode.Turns on when the computer reads or writes data.NOTICE: To avoid loss of data, never turn off the computer while the light is flashing.Turns on steadily or blinks to indicate battery charge status.Turns on when wireless devices are enabled. To enable or disable WiFi, use the wireless switchon the left side of the computer.Turns on when Bluetooth® wireless technology is enabled. To enable or disable Bluetoothwireless technology, use the wireless switch on the left side of the computer.NOTE: Bluetooth wireless technology is an optional feature on your computer, so the iconturns on only if you ordered Bluetooth wireless technology with your computer. For moreinformation, see the documentation that came with your Bluetooth wireless technology.If the computer is connected to an electrical outlet, the light operates as follows:o Solid green: The battery is charging.o Flashing green: The battery is almost fully charged.o Off: The battery is adequately charged (or external power is not available to chargethe battery).