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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)
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
a.
Battery (see
b.
Solid-state drive (see
c.
Left and right fans (see
d.
System board (see
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
Bottom cover on page
Battery on page
29)
Solid-state drive on page
Fans on page
34)
System board on page
27), and then remove the following components:
33)
47)
Spare part number
909744-001
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