Dell Inspiron 4150 - Manual (Page 19)

Setting Up and Using Your Computer 19
D IS PL A Y L A T CH — Keeps the display closed.
K E Y BO A R D S T A T U S L IG H T S — The green lights located above the keyboard
indicate the following:
A IR V E NT — The computer uses an internal fan to create airflow through the
vents, which prevents the computer from overheating.
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.
M I CR O P H O NE — Allows you to record audio.
Turns on when the numeric keypad is enabled
Turns on when the caps lock function is enabled
Turns on when the scroll lock function is enabled
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