HP Z840 Maintenance and Service Guide - Page 55

Component replacement information and guidelines, Warnings and cautions

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3 Component replacement information and guidelines This chapter provides warnings, cautions, information, and guidelines for removal and replacement procedures. It does not document the step-by-step procedures. IMPORTANT: Removal and replacement procedures are now available in videos on the HP website. Go to the HP Customer Self Repair Services Media Library at http://www.hp.com/go/sml. This chapter includes these topics: ● Warnings and cautions ● Service considerations ● Product recycling ● Component replacement guidelines Warnings and cautions WARNING! These symbols on any surface or area of the equipment indicate the following: Presence of a hot surface or hot component. If this surface is contacted, the potential for injury exists. To reduce the risk of injury from a hot component, let the surface cool before touching. Presence of an electrical shock hazard. To reduce the risk of injury from electrical shock, do not open any enclosed area marked with this symbol. Product must always be lifted by two persons to avoid personal injury due to product weight. WARNING! To reduce the risk of electric shock or damage to your equipment: - 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. - Disconnect power from the equipment by unplugging the power cord from the electrical outlet. WARNING! To reduce the risk of serious injury, read the Safety & Comfort Guide. It describes proper computer setup, posture, health, and work habits for computer users, and provides important electrical and mechanical safety information. This guide is located at http://www.hp.com/ergo. WARNING! Do not use the front bezel as a handle or lifting point when lifting or moving the computer. Lifting the computer from the front bezel, or lifting it incorrectly, could cause the computer to fall, causing possible injury to you and damage to the computer. To properly and safely lift the computer, lift from the bottom of the computer. Warnings and cautions 45

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3
Component replacement information and
guidelines
This chapter provides warnings, cautions, information, and guidelines for removal and replacement
procedures. It does not document the step-by-step procedures.
IMPORTANT:
Removal and replacement procedures are now available in videos on the HP website.
Go to the HP Customer Self Repair Services Media Library at
go/sml
.
This chapter includes these topics:
●
Warnings and cautions
●
Service considerations
●
Product recycling
●
Component replacement guidelines
Warnings and cautions
WARNING!
These symbols on any surface or area of the equipment indicate the following:
Presence of a hot surface or hot component. If this surface is contacted, the potential for injury exists. To
reduce the risk of injury from a hot component, let the surface cool before touching.
Presence of an electrical shock hazard. To reduce the risk of injury from electrical shock, do not open any
enclosed area marked with this symbol.
Product must always be lifted by two persons to avoid personal injury due to product weight.
WARNING!
To reduce the risk of electric shock or damage to your equipment:
— 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.
— Disconnect power from the equipment by unplugging the power cord from the electrical outlet.
WARNING!
To reduce the risk of serious injury, read the
Safety & Comfort Guide
. It describes proper
computer setup, posture, health, and work habits for computer users, and provides important electrical and
mechanical safety information. This guide is located at
ergo
.
WARNING!
Do not use the front bezel as a handle or lifting point when lifting or moving the computer.
Lifting the computer from the front bezel, or lifting it incorrectly, could cause the computer to fall, causing
possible injury to you and damage to the computer. To properly and safely lift the computer, lift from the
bottom of the computer.
Warnings and cautions
45