Dell Inspiron 4150 Owner's Manual - Page 19
Setting Up and Using Your Computer, not indicate a problem
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D I S P L A Y L A T CH - Keeps the display closed. KE Y BO A R D S T A T U S L I G H T S - The green lights located above the keyboard indicate the following: 9 Turns on when the numeric keypad is enabled A Turns on when the caps lock function is enabled Turns on when the scroll lock function is enabled A IR VE NT - The computer uses an internal fan to create airflow through the vents, which prevents the computer from overheating. CAUTION: Do not block, push objects into, or allow dust to accumulate in the air vents. Do not store your computer in a lowairflow 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 N E - Allows you to record audio. 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. Setting Up and Using Yo ur Comput er 19
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