Compaq 243850-002 User Manual

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Hardware Reference Guide
2–1
2
Hardware Upgrades
Serviceability Features
Your computer includes features that make it easier to upgrade and 
service.
Installation Sequence
It is very important that you follow this sequence of steps to ensure 
the proper installation of any optional equipment. For more 
information about Computer Setup, refer to the Computer Setup 
Guide
.
1. If the computer is already on, turn it off and disconnect the power 
cord from the wall outlet.
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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 E, “Electrostatic 
Discharge,” for more information.
2. Open the computer by removing its outside cover. See the 
procedures for removing the computer cover.