Hardware Reference Guide www.hp.com 2-1
2
Hardware Upgrades
Serviceability Features
This 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.
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WARNING: To reduce the risk of personal injury from electrical shock
and/or hot surfaces, be sure to disconnect the power cord from the wall
outlet, and allow the internal system components to cool before touching.
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WARNING: To reduce the risk of electrical shock, fire, or damage to the
equipment, do not plug telecommunications/telephone connectors into the
network interface controller (NIC) receptacles.
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CAUTION: Static electricity can damage the electronic 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. Refer to Appendix D, “Electrostatic Discharge” in
this guide for additional information on preventing electrostatic discharge.
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CAUTION: 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 system board damage.
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