Lenovo 4269 Laptop User Manual


 
Chapter 2. Installing or replacing hardware
This chapter provides instructions on how to install or replace hardware for your computer.
This chapter contains the following topics:
“Installing or replacing hardware” on page 13
“Obtaining device drivers” on page 38
“Basic security features” on page 38
Installing or replacing hardware
This section provides instructions on how to install or replace hardware for your computer. You can maintain
your computer or expand the capabilities of your computer by installing or replacing hardware.
Notes:
1. Use only computer parts provided by Lenovo.
2. When installing or replacing an option, use the appropriate instructions in this section along with the
instructions that come with the option.
Installing external options
You can install external options to your computer, such as external speakers, a printer, or a scanner. For
some external options, you must install additional software in addition to making the physical connection.
When you install an external option, see “Locating computer controls, connectors, and parts” on page 6
to
identify the required connector. Then, use the instructions that come with the option to help you make the
connection and install any software or device drivers that are required for the option.
Removing the computer cover
Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety
information” in the ThinkStation Safety and Warranty Guide that came with your computer. To obtain a copy of the
ThinkStation Safety and Warranty Guide, go to:
http://support.lenovo.com
This section provides instructions on how to remove the computer cover.
CAUTION:
The heat sink and fan assembly might be very hot. Turn off the computer and wait three to ve
minutes to let the computer cool before removing the computer cover.
To remove the computer cover, do the following:
1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect
all power cords from electrical outlets and disconnect all cables that are connected to the computer.
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