Dell Inspiron 8200 - Manual (Page 68)

If the computer is connected to an electrical outlet, the light operates as follows:
¡ Solid green: The battery is charging.
¡ Flashing green: The battery is fully charged.
If the computer is running on a battery, the light operates as follows:
¡ 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.
Air Vents— The computer uses an internal fan to create airflow through the vents, which prevents the computer from overheating.
Keyboard Status Lights— The green lights located above the keyboard indicate the following:
Keyboard— The keyboard includes a numeric keypad as well as the Microsoft® Windows® logo key .
Turns on steadily or blinks when the computer is in a power management mode. It also blinks to
indicate battery charge status.
HINT: The computer turns on the fans when the computer gets hot. The fans may make noise, which is normal and does not indicate a problem with the
fans or the computer
CAUTION: Do not block, push objects into, or allow dust to accumulate in the air vents. Doing so can damage the computer or cause a fire.
Turns on when the numeric keypad is enabled
Turns on when the uppercase letter function is enabled
Turns on when the scroll lock function is enabled