Dell Inspiron 4150 - Manual (Page 62)

Air Vent — The computer uses an internal fan to create airflow through the vents, which prevents the computer from overheating.
Microphone — Allows you to record audio.
Device Status Lights
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.
Touch Pad — Use the touch pad and touch pad buttons as you would use a mouse. For more information, see the Tell Me How help file (see " Accessing Help ").
Module Bay — You can install devices such as an optical drive or the Dell TravelLite™ module in the module bay.
Display Latch Button — Press this button to release the display latch and open the display.
Battery Bay — When a battery is installed, you can use the computer without connecting it to an electrical outlet. For more information, see the Tell Me How
help file (see " Accessing Help ").
Touch Pad/Track Stick Buttons — Correspond to the left and right buttons on a standard mouse.
Keyboard — The keyboard includes a numeric keypad as well as the Microsoft® Windows® logo key, . For information on supported keyboard shortcuts,
see the Tell Me How help file (see " Accessing Help ").
Power Button — Press the power button to turn on the computer or to enter or exit a power management mode.
If the computer stops responding, press and hold the power button until the computer turns off completely (which may take about 4 seconds).
Dell™ AccessDirect™ Button — Press this button to launch various resources, such as support and educational tools. For more information, see the Tell Me
How help file (see " Accessing Help ").
Left Side View
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. Do not store your computer in a low-airflow environment,
such as a closed briefcase, while it is running. Restricting the airflow can damage the computer or cause a fire.
Turns on when you turn on the computer.
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 when the computer is in a
power management mode. It also blinks to indicate
battery charge status.
NOTICE: Turn off your computer by performing a Windows shutdown. Otherwise, you may lose data.