Table 2-8  Bottom component and its 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.
Rear 
Use the illustration and table to identify the rear component.
Table 2-9  Rear component and its 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.
Labels
The labels axed to the computer provide information you might need when you troubleshoot system 
problems or travel internationally with the computer. Labels might 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 these examples. Refer to the illustration that most closely 
matches the service label on your computer.
Rear 15