HP (Hewlett-Packard) D3K21UT#ABA Personal Computer User Manual


 
7 Removal and Replacement Procedures
Small Form Factor (SFF) Chassis
Adherence to the procedures and precautions described in this chapter is essential for proper service.
After completing all necessary removal and replacement procedures, run the Diagnostics utility to
verify that all components operate properly.
NOTE: Not all features listed in this guide are available on all computers.
Serial Number Location
Each computer has a unique serial number and product ID number in the location shown below. Keep
these numbers available for use when contacting customer service for assistance.
Figure 7-1 Serial Number and Product ID Location
Preparation for Disassembly
See Identifying the Chassis, Routine Care, and Disassembly Preparation on page 19 for initial safety
procedures.
1. Remove/disengage any security devices that prohibit opening the computer (
Installing a Security
Lock on page 86).
2. Close any open software applications.
Serial Number Location 37