6 Removal and replacement procedures for 
authorized service provider parts
This chapter provides removal and replacement procedures for Authorized Service Provider only parts.
IMPORTANT: 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.
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. 
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.
There are as many as 46 screws that must be removed, replaced, and/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 37