Service Considerations; Tools And Software Requirements; Electrostatic Discharge (Esd) Information - HP Z1 G2 Maintenance And Service Manual

WARNING!
— 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!
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!
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.
CAUTION: Static electricity can damage the electronic components of the computer. To prevent damage to
the computer, observe the following Electrostatic Discharge (ESD) precautions while servicing the computer:
— Discharge static electricity by briefly touching a grounded metal object before you begin.
— Work on a static-free mat.
— Wear a static strap to ensure that any accumulated electrostatic charge is discharged from your body to
the ground.
— Create a common ground for the equipment you are working on by connecting the static-free mat, static
strap, and peripheral units to that piece of equipment.
NOTE: HP accessories are for use in HP products. They have been extensively tested for reliability and are
manufactured to high quality standards.

Service considerations

Tools and software requirements

You will need the following tools to complete the removal and replacement procedures:
● Torx T-15 driver
● Flat-blade and cross-tip screwdrivers
● Diagnostics software

Electrostatic discharge (ESD) information

Generating static
To reduce the risk of electric shock or damage to your equipment:
To reduce the risk of serious injury, read the Safety & Comfort Guide. It describes proper
Do not use the front bezel as a handle or lifting point when lifting or moving the computer.
Different activities generate different amounts of static electricity through electrostatic discharge (ESD).
Static electricity increases as humidity decreases.
CAUTION: Static electricity in the amount of 700 volts might degrade a product.
Event
Walking across carpet
Walking across vinyl floor
Motions of bench worker
Relative humidity
55% 40%
7,500V 15,000V
3,000V 5,000V
400V 800V
Service considerations
10%
35,000V
12,000V
6,000V
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