Warnings And Cautions - HP dx2300 - Microtower PC Hardware Reference Manual

Warnings and Cautions

Before performing upgrades be sure to carefully read all of the applicable instructions, cautions, and
warnings in this guide.
WARNING!
surfaces, and/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
CAUTION:
equipment. Before beginning these procedures, ensure that you are discharged of static
electricity by briefly touching a grounded metal object.
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.
2 Chapter 1 Product Features
To reduce the risk of personal injury from electrical shock, rotating fans, hot
and on the Documentation and Diagnostics CD.
Static electricity can damage the electrical components of the computer or optional
ENWW