Table 2-9 Bottom components and their descriptions
Component Description
(1) Speakers  Produce sound.
(2) 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.
Labels
The labels aixed to the computer provide information that you might need when you troubleshoot system 
problems or travel internationally with the computer. Labels can 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.
● Service label—Provides important information to identify your computer. When contacting support, you 
might 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 following examples. Refer to the illustration that most closely 
matches the service label on your computer.
Labels
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