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Description
Mutes or restores speaker sound.
Turns the airplane mode and wireless feature on or off.
NOTE:
The airplane mode key is also referred to as the wireless button.
NOTE:
A wireless network must be set up before a wireless connection is possible.
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Component
Description
Vent
Enables airflow to cool internal components.
NOTE:
The computer fan starts up automatically to cool internal components and
prevent overheating. It is normal for the internal fan to cycle on and off during routine
operation.
Labels
The labels affixed to the computer provide information you may need when you troubleshoot system
problems or travel internationally with the computer. Labels may be in paper form or imprinted on the
product.
IMPORTANT:
Check the following locations for the labels described in this section: the bottom of the
computer, inside the battery bay, under the service door, on the back of the display, or on the bottom of a
tablet kickstand.
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Service label—Provides important information to identify your computer. When contacting support, you
may be asked for the serial number, the product number, or the model number. Locate this information
before you contact support.
Your service label will resemble one of the examples shown below. Refer to the illustration that most
closely matches the service label on your computer.
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