HP dx6120 - Manual (Page 11)

Hardware Reference Guide www.hp.com 2–1
2
Hardware Upgrades
Serviceability Features
The Microtower 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.
Å 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.
Å 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.
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.
Ä CAUTION: Before removing the computer cover, ensure that the
computer is turned off and that the power cord is disconnected from the
electrical outlet.