HP Dc5700 Hardware Reference Guide - dc5700 MT - Page 13

Hardware Upgrades, Serviceability Features, Warnings and Cautions

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2 Hardware Upgrades Serviceability Features The computer includes features that make it easy to upgrade and service. No tools are needed for most of the installation procedures described in this chapter. Warnings and Cautions Before performing upgrades be sure to carefully read all of the applicable instructions, cautions, and warnings in this guide. WARNING! To reduce the risk of personal injury from electrical shock, hot surfaces, or fire: Disconnect the power cord from the wall outlet and allow the internal system components to cool before touching. Do not plug telecommunications or telephone connectors into the network interface controller (NIC) receptacles. Do not disable the power cord grounding plug. The grounding plug is an important safety feature. Plug the power cord in a grounded (earthed) outlet that is easily accessible at all times. To reduce the risk of serious injury, read the Safety & Comfort Guide. It describes proper workstation, setup, posture, and health and work habits for computer users, and provides important electrical and mechanical safety information. This guide is located on the Web at http://www.hp.com/ergo and on the Documentation and Diagnostics CD. CAUTION Static electricity can damage the electrical components of the computer or optional equipment. Before beginning these procedures, ensure that you are discharged of static electricity by briefly touching a grounded metal object. See Appendix D, Electrostatic Discharge for more information. When the computer is plugged into an AC power source, voltage is always applied to the system board. You must disconnect the power cord from the power source before opening the computer to prevent damage to internal components. ENWW Serviceability Features 7

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2
Hardware Upgrades
Serviceability Features
The computer includes features that make it easy to upgrade and service. No tools are needed for most
of the installation procedures described in this chapter.
Warnings and Cautions
Before performing upgrades be sure to carefully read all of the applicable instructions, cautions, and
warnings in this guide.
WARNING!
To reduce the risk of personal injury from electrical shock, hot surfaces, or fire:
Disconnect the power cord from the wall outlet and allow the internal system components to cool
before touching.
Do not plug telecommunications or telephone connectors into the network interface controller
(NIC) receptacles.
Do not disable the power cord grounding plug. The grounding plug is an important safety feature.
Plug the power cord in a grounded (earthed) outlet that is easily accessible at all times.
To reduce the risk of serious injury, read the
Safety & Comfort Guide
. It describes proper
workstation, setup, posture, and health and work habits for computer users, and provides
important electrical and mechanical safety information. This guide is located on the Web at
ergo
and on the
Documentation and Diagnostics CD
.
CAUTION
Static electricity can damage the electrical components of the computer or optional
equipment. Before beginning these procedures, ensure that you are discharged of static
electricity by briefly touching a grounded metal object. See Appendix D,
Electrostatic
Discharge
for more information.
When the computer is plugged into an AC power source, voltage is always applied to the system
board. You must disconnect the power cord from the power source before opening the computer
to prevent damage to internal components.
ENWW
Serviceability Features
7