HP ENVY dv4-5b00 HP Envy dv4 Maintenance and Service Guide - Page 56

Power button board, Turn the top cover upside down, with the front toward you.

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12. Remove the top cover (6). Reverse this procedure to install the top cover. Power button board Description Power button board (includes cable) Spare part number 676651-001 Before removing the power button board, follow these steps: 1. Shut down the computer. 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 door (see Service door on page 32) b. Hard drive (see Hard drive on page 33) c. Optical drive (see Optical drive on page 36) d. Keyboard (see Keyboard on page 42) e. Top cover (see Top cover on page 45) Remove the power button board: 1. Turn the top cover upside down, with the front toward you. 2. Release the shield (1) that covers the power button board. 3. Remove the two Phillips M2.0×4.5 screws (2) that secure the power button board to the top cover. 48 Chapter 4 Removal and replacement procedures

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12.
Remove the top cover
(6)
.
Reverse this procedure to install the top cover.
Power button board
Description
Spare part number
Power button board (includes cable)
676651-001
Before removing the power button board, follow these steps:
1.
Shut down the computer.
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 door (see
Service door
on page
32
)
b.
Hard drive (see
Hard drive
on page
33
)
c.
Optical drive (see
Optical drive
on page
36
)
d.
Keyboard (see
Keyboard
on page
42
)
e.
Top cover (see
Top cover
on page
45
)
Remove the power button board:
1.
Turn the top cover upside down, with the front toward you.
2.
Release the shield
(1)
that covers the power button board.
3.
Remove the two Phillips M2.0×4.5 screws
(2)
that secure the power button board to
the top cover.
48
Chapter 4
Removal and replacement procedures