HP 350 Maintenance and Service Guide - Page 50

Removal and replacement procedures for Authorized Service Provider parts, Component replacement

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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 This chapter provides removal and replacement procedures for Authorized Service Provider only parts. There are as many as 50 screws that must be removed, replaced, and/or loosened when servicing the computer. Make special note of each screw size and location during removal and replacement. Top cover Description For use only on computer models equipped with a fingerprint reader For use only on computer models not equipped with a fingerprint reader Spare part number 758051-001 758050-001 Before removing the top cover, follow these steps: 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. 4. Remove the Battery (see Battery on page 30), and then remove the following components: a. Service cover (see Service cover on page 31) b. Hard drive (see Hard drive on page 32) c. Optical drive (see Optical drive on page 37) d. Keyboard (see Keyboard on page 39) NOTE: When replacing the top cover, be sure that the following components are removed from the defective top cover and installed on the replacement top cover: ● Fingerprint reader module (See Fingerprint reader module on page 46) ● TouchPad button board (See TouchPad button board on page 47) 42 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts

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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
, select your country or region, and then
follow the on-screen instructions.
Component replacement procedures
This chapter provides removal and replacement procedures for Authorized Service Provider only parts.
There are as many as 50 screws that must be removed, replaced, and/or loosened when servicing the
computer. Make special note of each screw size and location during removal and replacement.
Top cover
Description
Spare part number
For use only on computer models equipped with a fingerprint reader
758051-001
For use only on computer models not equipped with a fingerprint reader
758050-001
Before removing the top cover, follow these steps:
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.
4.
Remove the Battery (see
Battery
on page
30
), and then remove the following components:
a.
Service cover (see
Service cover
on page
31
)
b.
Hard drive (see
Hard drive
on page
32
)
c.
Optical drive (see
Optical drive
on page
37
)
d.
Keyboard (see
Keyboard
on page
39
)
NOTE:
When replacing the top cover, be sure that the following components are removed from the
defective top cover and installed on the replacement top cover:
●
Fingerprint reader module (See
Fingerprint reader module
on page
46
)
●
TouchPad button board (See
TouchPad button board
on page
47
)
42
Chapter 6
Removal and replacement procedures for Authorized Service Provider parts