Hardware Reference Guide - HP Business Desktop dc5100 Microtower Model (Rev. 2)
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.
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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 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.
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CAUTION: Before removing the computer cover, ensure that the 
computer is turned off and that the power cord is disconnected from the 
electrical outlet.
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