Quick Reference Guide

CHAPTER 2: Checking Out Your Notebook
8
Ventilation fan Helps cool internal components.
Warning: Do not work with the notebook resting
on your lap. If the air vents are blocked, the
notebook may become hot enough to harm your
skin.
Caution: Do not block or insert objects into
these slots. If these slots are blocked, your
notebook may overheat resulting in unexpected
shutdown or permanent damage to the
notebook.
Caution: Provide adequate space around your
notebook so air vents are not obstructed. Do not
use the notebook on a bed, sofa, rug, or other
similar surface.
Express Card slot Insert one Type 54 Express Card into this slot. For
more information, see “Adding and removing an
Express Card” on page 61.
Wireless network
switch
Enable or disable the optional IEEE 802.11
wireless network radio and optional Bluetooth
radio. The switch must be in the enable position
to turn either radio on or off using the FN+F2 or
FN+F6 buttons. For more information, see
“Turning your wireless radio on or off” on
page 51.
Warning: Radio frequency wireless
communication can interfere with equipment on
commercial aircraft. Current aviation regulations
require wireless devices to be turned off while
traveling in an airplane. IEEE 802.11 and
Bluetooth communication devices are examples
of devices that provide wireless communication.
Component Icon Description