Maintenance and Service Guide 5–1
5
Removal and Replacement
Procedures
This chapter provides removal and replacement procedures.
There are as many as 89 screws, in 10 different sizes, that must be 
removed, replaced, or loosened when servicing the computer. 
Make special note of each screw size and location during removal 
and replacement.
Refer to Appendix A, “Screw Listing,” for detailed information 
on screw sizes, locations, and usage.
5.1 Serial Number
Report the computer serial number to HP when requesting 
information or ordering spare parts. The serial number is 
located on the bottom of the computer.
Serial Number Location