Installing External Options; Opening The Computer Cover - Lenovo ThinkCentre 3379 User Manual

Lenovo desktop computer user guide
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Installing external options

External speakers, a printer, or a scanner can be connected to your computer. For
some external options, you must install additional software in addition to making
the physical connection. When installing an external option, see "Locating
connectors on the front of your computer" on page 7 and "Locating connectors on
the rear of your computer" on page 8 to identify the required connector, and 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.

Opening the computer cover

This section provides instructions on how to open the computer cover.
CAUTION:
Turn off the computer and wait three to five minutes to let the computer cool
before opening the computer cover.
To open the computer cover:
1. Remove any media from the drives, shut down your operating system, and
2. Unplug all power cords from electrical outlets.
3. Disconnect the cables attached to the computer. This includes power cords,
4. Remove any locking devices, such as a cable lock that secures the computer
14
User Guide
Attention
Do not open your computer or attempt any repair before reading and understanding the
"Important safety information" in the ThinkCentre Safety and Warranty Guide that came with
your computer. To obtain a copy of the ThinkCentre Safety and Warranty Guide, go to:
http://www.lenovo.com/support
Important
Be sure to read and understand "Handling static-sensitive devices" on page
13 before opening the computer cover.
turn off all attached devices and the computer.
input/output (I/O) cables, and any other cables that are connected to the
computer. See "Locating connectors on the front of your computer" on page 7
and "Locating connectors on the rear of your computer" on page 8.
cover.

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