Dell Inspiron 640M Owner's Manual page 16

D I S P L A Y L A T C H R E L E A S E
D I S P L A Y — For more information about your display, see "Using the Display" on page 31.
P O W E R B U T T O N — Press the power button to turn on the computer or to enter or exit a power management mode.
NOTICE:
To avoid losing data when you turn off your computer, shut down your computer through the Start menu
instead of pressing the power button.
D E V I C E S T A T U S L I G H T S
Turns on when you turn on the computer, and blinks when the computer is in a power
management mode.
Turns on when the computer reads or writes data.
NOTICE:
Turns on steadily or blinks to indicate battery charge status.
If the computer is connected to an electrical outlet, the
• Solid green: The battery is charging.
• Flashing green: The battery is almost fully charged.
If the computer is running on a battery, the
• Off: The battery is adequately charged (or the computer is turned off).
• Flashing orange: The battery charge is low.
• Solid orange: The battery charge is critically low.
16
A Tour of Your Computer
— Slide and hold to release the display latches and open the display.
To avoid loss of data, never turn off the computer while the
light operates as follows:
light operates as follows:
light is flashing.