Ä 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.
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.
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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Ä 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 Appendix D, “Electrostatic Discharge” for more information.
Before performing upgrades be sure to carefully read all of the applicable instructions, cautions, and warnings in this guide.
2
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
Hardware Reference Guide | www.hp.com |