Lenovo ideacentre 200, Руководство по техническому обслуживанию аппаратной части

Страница: 88 / 140

Notes:
• Use only computer parts provided by Lenovo.
• 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 connect 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 installing an
external option, see “Locating connectors, controls, and indicators on the front
of your computer” on page 38 and “Locating connectors on the rear of your
computer” on page 40 to identify the required connector. Use the instructions
shipped with the option to help you make the connection and install any software
or device drivers that are required for the option.
Replacing the ac power adapter
Attention:
Do not open your computer or attempt any repair before reading and
understanding the Chapter 1 “Read this first: Important safety information” on
page 1.
CAUTION:
Before you open the front cover, turn off the computer and wait several
minutes until the computer is cool.
To replace the ac power adapter, do the following:
1. Remove any media from the drives and turn off all connected devices and
the computer. Then, disconnect all power cords from electrical outlets and
disconnect all cables that are connected to the computer. See “Locating
connectors, controls, and indicators on the front of your computer” on page
38 and “Locating connectors on the rear of your computer” on page 40.
2. Remove the power adapter cable from the ac power adapter cable loop at
the rear of the computer and then disconnect the ac power adapter from
the computer.
80
ideacentre 200 Hardware Maintenance Manual