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 or replacing memory, adapter cards, and drives. When installing an option, use these instructions along with the instructions that come with the option.
Attention
Do not open your computer or attempt any repair before reading 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
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.
Opening the cover
CAUTION
Turn off the computer and wait three to five minutes to let the computer cool before removing the computer cover.
This section provides instructions on how to open the computer cover.
1.Remove any media from the drives, shut down your operating system, and turn off all attached devices and the computer.
2.Unplug all power cords from electrical outlets.
3.Disconnect the cables attached to the computer. This includes power cords, 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.
4.Remove any locking devices, such as a cable lock that secures the computer cover.
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