HP EliteDesk 800 G5 Hardware Reference Guide - Page 10

Hardware upgrades, Serviceability features, Warnings and cautions, Preparing for disassembly, WARNING

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2 Hardware upgrades Serviceability features The computer includes features that make it easy to upgrade and service. A Torx T15 or flat-bladed screwdriver is needed for some 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 AC outlet and allow the internal system components to cool before you touch them. 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 into 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, and proper posture, health, and work habits for computer users. The Safety & Comfort Guide also provides important electrical and mechanical safety information. The Safety & Comfort Guide is available on the Web at http://www.hp.com/ergo. WARNING! Energized and moving parts inside. Disconnect power to the equipment before removing the enclosure. Replace and secure the enclosure before re-energizing the equipment. IMPORTANT: 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 50 for more information. When the computer is plugged into an AC power source, voltage is always applied to the system board. To prevent damage to internal components, you must disconnect the power cord from the power source before opening the computer. Preparing for disassembly 1. Remove/disengage any security devices that prohibit opening the computer. 2. Remove all removable media, such as compact discs or USB flash drives, from the computer. 3. Turn off the computer properly through the operating system, and then turn off any external devices. 4. Disconnect the power cord from the power outlet and disconnect any external devices. 4 Chapter 2 Hardware upgrades

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2
Hardware upgrades
Serviceability features
The computer includes features that make it easy to upgrade and service. A Torx T15 or flat-bladed
screwdriver is needed for some 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 AC outlet and allow the internal system components to cool before you
touch them.
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 into 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,
and proper posture, health, and work habits for computer users. The
Safety & Comfort Guide
also provides
important electrical and mechanical safety information. The
Safety & Comfort Guide
is available on the Web
at
ergo
.
WARNING!
Energized and moving parts inside.
Disconnect power to the equipment before removing the enclosure.
Replace and secure the enclosure before re-energizing the equipment.
IMPORTANT:
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
50
for more information.
When the computer is plugged into an AC power source, voltage is always applied to the system board. To
prevent damage to internal components, you must disconnect the power cord from the power source before
opening the computer.
Preparing for disassembly
1.
Remove/disengage any security devices that prohibit opening the computer.
2.
Remove all removable media, such as compact discs or USB flash drives, from the computer.
3.
Turn off the computer properly through the operating system, and then turn off any external devices.
4.
Disconnect the power cord from the power outlet and disconnect any external devices.
4
Chapter 2
Hardware upgrades