Chapter 3. Installing Options And Replacing Hardware; Installing External Options; Removing The Cover - Lenovo THINKCENTRE 9120 Replacement Manual
Lenovo computer hardware installation and replacement guide
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Also See for THINKCENTRE 9120:
- Hardware maintenance manual (348 pages) ,
- User manual (76 pages) ,
- Benutzerhandbuch (74 pages)
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Chapter 3. Installing options and replacing hardware
This chapter provides an introduction to the features and options that are available
for your computer. You can expand the capabilities of your computer by adding
memory, adapters, or drives. When installing an option, use these instructions
along with the instructions that come with the option.
Note: Use only parts provided by Lenovo.
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 adding an external option, see "Locating connectors
on the rear of your computer" on page 6 and "Locating controls and connectors on
the front of your computer" on page 5 to identify the required connector, and then
use the instructions that are included with the option to help you make the
connection and install any software or device drivers that are required for the
option.
Removing the cover
This section provides instructions on how to remove the computer cover.
1. Remove any media (diskettes, CDs, or tapes) from the drives, shut down your
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
© Lenovo 2005, 2007. Portions © IBM Corp. 2005.
Attention
Do not open your computer or attempt any repair before reading the "Important safety
information" in the Safety and Warranty Guide that was included with your computer. To
obtain a copy of the Safety and Warranty Guide, go to the Support Web site at
http://www.lenovo.com/support.
Important
Turn off the computer and wait 3 to 5 minutes to let the computer cool
before removing the computer cover.
operating system, and 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 controls and connectors on the front of your
computer" on page 5 and "Locating connectors on the rear of your computer"
on page 6.
cover.
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