Lenovo G530 - Manual (Page 12)

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Chapter 1. Getting to know your computer
Fan louvers
The fan louvers allow heated air to exit the computer.
Important:
Make sure that paper, books, clothing, cables or other objects do not
block any of the fan louvers otherwise, overheating of the computer
may occur.
LAN port............................................................................................ 21
VGA port ........................................................................................... 41
ExpressCard/54 slot ........................................................................ 39
Security keyhole
Your computer comes with a security keyhole. You can purchase a
security cable and lock to fit this keyhole.
Note:
Before purchasing any security product, verify that it is compatible with
this type of security keyhole.
HDMI port (specific models only)
USB 2.0 port ..................................................................................... 38