HP ENVY 13-ab000 Envy Notebook PC model numbers 13-ab001 through 13-ab099; CTO - Page 58

Heat sink, Solid-state drive see

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11. Lift the rear edge of the system board (2) until it rests at an angle. 12. Remove the system board (3) by sliding it up and back at an angle. Reverse this procedure to install the system board. Heat sink Description Heat sink (includes replacement thermal material) Spare part number 909744-001 Before removing the heat sink, 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 bottom cover (see Bottom cover on page 27), and then remove the following components: a. Battery (see Battery on page 29) b. Solid-state drive (see Solid-state drive on page 33) c. Left and right fans (see Fans on page 34) d. System board (see System board on page 47) Remove the heat sink: 1. Turn the system board upside down with the front toward you. 2. Remove the three Phillips PM2.0×3.2 screws (1) that secure the heat sink to the system board. 50 Chapter 5 Removal and replacement procedures

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11.
Lift the rear edge of the system board
(2)
until it rests at an angle.
12.
Remove the system board
(3)
by sliding it up and back at an angle.
Reverse this procedure to install the system board.
Heat sink
Description
Spare part number
Heat sink (includes replacement thermal material)
909744-001
Before removing the heat sink, 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 bottom cover (see
Bottom cover
on page
27
), and then remove the following components:
a.
Battery (see
Battery
on page
29
)
b.
Solid-state drive (see
Solid-state drive
on page
33
)
c.
Left and right fans (see
Fans
on page
34
)
d.
System board (see
System board
on page
47
)
Remove the heat sink:
1.
Turn the system board upside down with the front toward you.
2.
Remove the three Phillips PM2.0×3.2 screws
(1)
that secure the heat sink to the system board.
50
Chapter 5
Removal and replacement procedures