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Hardware Repair And Upgrade; Warnings And Cautions - HP Compaq Pro 6300 Hardware Reference Manual

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Hardware Repair and Upgrade

Warnings and Cautions

Before performing upgrades be sure to carefully read all of the applicable instructions, cautions, and
warnings in this guide.
Disconnect the power cord from the wall outlet and allow the internal system components to cool before
Do not plug telecommunications or telephone connectors into the network interface controller (NIC)
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.
For your safety, do not place anything on power cords or cables. Arrange them so that no one may
accidentally step on or trip over them. Do not pull on a cord or cable. When unplugging from the
electrical outlet, grasp the cord by the plug.
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
speakers, chests, or carts may fall over and cause personal injury.
Care should be taken to route all cords and cables connected to the computer so that they can not be
pulled, grabbed, or tripped over.
Disconnect power to the equipment before removing any access panels.
Replace and secure all access panels before reenergizing the equipment.
equipment. Before beginning these procedures, ensure that you are discharged of static electricity by
briefly touching a grounded metal object. See
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.
Chapter 2 Hardware Repair and Upgrade
To reduce the risk of personal injury from electrical shock, hot surfaces, or fire:
Computers that are inappropriately situated on dressers, bookcases, shelves, desks,
Energized and moving parts inside.
Static electricity can damage the electrical components of the computer or optional
Electrostatic Discharge on page 48
for more


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