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Table 2-8 Action keys and their descriptions (continued)
Icon Description
Increases speaker volume incrementally while you hold down the key.
Mutes or restores speaker sound.
Mutes the microphone.
Turns the touchpad on or o.
Turns the airplane mode and wireless feature on or o.
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.
Bottom
Table
2-9 Bottom component and description
Component Description
Vent Enables airow 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 o during routine operation.
12 Chapter 2 Getting to know your computer
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