6 Removal and replacement procedures for 
Authorized Service Provider parts
CAUTION: Components described in this chapter should only be accessed by an authorized service provider. 
Accessing these parts can damage the computer or void the warranty.
NOTE: HP continually improves and changes product parts. For complete and current information on 
supported parts for your computer, go to http://partsurfer.hp.com, select your country or region, and then 
follow the on-screen instructions.
Component replacement procedures
NOTE: Details about your computer, including model, serial number, product key, and length of warranty, 
are on the service tag at the bottom of your computer. See Labels on page 15 for details.
This chapter provides removal and replacement procedures for Authorized Service Provider only parts.
There are as many as 56 screws that must be removed, replaced, or loosened when servicing Authorized 
Service Provider only parts. Make special note of each screw size and location during removal and 
replacement.
Component replacement procedures 33