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Hardware Upgrades; Serviceability Features; Warnings And Cautions - HP EliteDesk 800 Hardware Reference Manual

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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!
Disconnect the power cord from the AC outlet and allow the internal system components to cool before
touching.
Do not connect telecommunications or telephone connectors to 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) AC 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.
WARNING!
Disconnect power to the equipment before removing the enclosure.
Replace and secure the enclosure before re-energizing 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
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.
NOTE:
Your computer model may look slightly different from the illustrations in this chapter.
To reduce the risk of personal injury from electrical shock, hot surfaces, or fire:
Energized and moving parts inside.
Electrostatic discharge on page 44
for more information.
Serviceability features
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