Removal and replacement procedures for
authorized service provider parts
5
This chapter provides removal and replacement procedures for authorized service provider parts.
IMPORTANT: Only an authorized service provider should access the components described in this
chapter. Accessing these parts can damage the computer or void the warranty.
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.
Component replacement procedures
To remove and replace computer components, use the procedures described in this section.
NOTE: HP continually improves and changes product parts. For complete and current information
about supported parts for your computer, go to https://partsurfer.hp.com/partsurfer/, select your
country or region, and then follow the on-screen instructions.
Make special note of each screw size and location during removal and replacement.
Preparation for disassembly
To remove and replace computer components, use these procedures:
See Removal and replacement procedures preliminary requirements on page 28 for initial safety
procedures.
1. Turn off the computer. If you are unsure whether the computer is off or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
Bottom cover
To remove the bottom cover, use this procedure and illustration.
Table 5-1
Bottom cover description and part number
Description Spare part number
For use in models with discrete graphics memory N52399-001
For use in models with UMA graphics memory N55739-001
Before removing the bottom cover, prepare the computer for disassembly (see Preparation for
disassembly on page 37).
Removal and replacement procedures for authorized service provider parts
37