Compaq Elite 8300 Hardware Reference Guide Elite 8300 Touch All-in-One Busines - Page 14

Hardware Repair and Upgrade, Warnings and Cautions

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2 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. 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. 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 http://www.hp.com/ergo. WARNING! Computers that are inappropriately situated on dressers, bookcases, shelves, desks, 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. WARNING! Energized and moving parts inside. Disconnect power to the equipment before removing any access panels. Replace and secure all access panels before reenergizing the equipment. 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 Electrostatic Discharge on page 48 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. 8 Chapter 2 Hardware Repair and Upgrade

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2
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.
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.
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
ergo
.
WARNING!
Computers that are inappropriately situated on dressers, bookcases, shelves, desks,
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.
WARNING!
Energized and moving parts inside.
Disconnect power to the equipment before removing any access panels.
Replace and secure all access panels before reenergizing the equipment.
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
Electrostatic Discharge
on page
48
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.
8
Chapter 2
Hardware Repair and Upgrade