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
Service tag and PCID label on page 17 for details.
This chapter provides removal and replacement procedures for Authorized Service Provider only parts.
There are as many as 48 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.
Top cover
NOTE: Top cover spare part kits include the touchpad assembly.
Description Spare part number
Top cover for use in models with a fingerprint reader (includes touchpad) 767454-001
Top cover for use in models without a fingerprint reader (includes touchpad) (HP 440 models only) 773564-001
Before removing the top cover, follow these steps:
1. Shut down 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 all external devices connected to the computer.
3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet, and
then unplugging the AC adapter from the computer.
4. Remove the following components:
a. Battery (see
Battery on page 42).
b. Service doors (see
Service door on page 43).
c. Hard drive (
Hard drive on page 45)
d. Optical drive (
Optical drive on page 49)
e. Keyboard (see
Keyboard on page 55)
58 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts
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