IBM 2170275 Reference Guide - Page 101

Preparing to work with the computer, To disconnect

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Adding and removing hardware This chapter contains basic information about: • adding and removing drives and • identifying system board components. These instructions do not contain complete information about each option you can install in or remove from your computer. Your computer came with instructions that are located on the hard disk drive. You can find this information through the Access Aptiva area on your Aptiva customized desktop. If you decide to upgrade or replace any hardware in your computer, you will need to print the instructions for that hardware. See page 23 for the steps to access the Aptiva online help. Preparing to work with the computer Danger! Electrical current from power, telephone, and communications cables is hazardous. To avoid shock hazard, use the steps described in this section to disconnect cables when installing, moving, or opening the cover of this product. Before you make any changes to hardware in your computer, you must turn off and unplug the computer. To disconnect 1 Turn off the computer and any attached component which may have its own power switch. 2 Unplug all power cables from electrical outlets. 3 Remove all signal cables (such as a telephone cord) from their receptacles. To avoid shock hazard, do not connect or disconnect any cables or perform installation, maintenance, or reconfiguration of this product during an electrical storm. 4 Disconnect all cables attached to the computer; this includes power cords, input/output cables, and any other cables attached to the computer. Preparing to work with the computer 97

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Preparing to work with the computer
97
Adding and removing hardware
This chapter contains basic information about:
•
adding and removing drives and
•
identifying system board components.
These instructions do not contain complete information
about each option you can install in or remove from your
computer.
Your computer came with instructions that are located
on the hard disk drive. You can find this information
through the
Access Aptiva
area on your Aptiva
customized desktop.
If you decide to upgrade or replace any hardware in your
computer, you will need to print the instructions for that
hardware. See page 23 for the steps to access the
Aptiva online help.
Preparing to work with the computer
Before you make any changes to hardware in your
computer, you must turn off and unplug the computer.
To disconnect
1
Turn off the computer and any attached component
which may have its own power switch.
2
Unplug all power cables from electrical outlets.
3
Remove all signal cables (such as a telephone cord)
from their receptacles.
4
Disconnect all cables attached to the computer; this
includes power cords, input/output cables, and any
other cables attached to the computer.
Danger!
Electrical current from
power, telephone, and
communications cables is
hazardous. To avoid shock
hazard, use the steps
described in this section to
disconnect cables when
installing, moving, or
opening the cover of this
product.
To avoid shock hazard, do
not connect or disconnect
any cables or perform
installation, maintenance,
or reconfiguration of this
product during an
electrical storm.