HP ENVY 14-u000 ENVY 14 Notebook PC Maintenance and Service Guide - Page 64

Speaker cable, Hard drive cable

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a. Optical drive (see Optical drive on page 32) b. Top cover (see Top cover on page 39) c. Power connector cable (see Power connector cable on page 63) When replacing the system board, be sure that the following components are removed from the defective system board and installed on the replacement system board: ● Hard drive connector cable ● RTC battery (see RTC battery on page 56) ● Memory modules (see Memory module on page 57) ● Fan (see Fan on page 58) ● Heat sink assembly (see Heat sink assembly on page 60) Remove the system board: 1. Disconnect the following cables from the system board: ● Display panel cable (1) ● Speaker cable (2) ● Hard drive cable (3) ● USB/audio board cable (4) ● Subwoofer cable (5). 2. Remove the five Phillips M2.5x4.0 screws (1) that secure the system board to the base enclosure. 3. Lift the right side of the system board (2) until it rests at an angle. 54 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts

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a.
Optical drive (see
Optical drive
on page
32
)
b.
Top cover (see
Top cover
on page
39
)
c.
Power connector cable (see
Power connector cable
on page
63
)
When replacing the system board, be sure that the following components are removed from the defective
system board and installed on the replacement system board:
●
Hard drive connector cable
●
RTC battery (see
RTC battery
on page
56
)
●
Memory modules (see
Memory module
on page
57
)
●
Fan (see
Fan
on page
58
)
●
Heat sink assembly (see
Heat sink assembly
on page
60
)
Remove the system board:
1.
Disconnect the following cables from the system board:
●
Display panel cable
(1)
●
Speaker cable
(2)
●
Hard drive cable
(3)
●
USB/audio board cable
(4)
●
Subwoofer cable
(5)
.
2.
Remove the five Phillips M2.5x4.0 screws
(1)
that secure the system board to the base enclosure.
3.
Lift the right side of the system board
(2)
until it rests at an angle.
54
Chapter 6
Removal and replacement procedures for Authorized Service Provider parts