h.
)
i.
System board (see
Remove the power connector cable:
1.
Turn the system board upside down, with the front toward you.
2.
Disconnect the power cable from the system board.
Reverse this procedure to install the power connector cable.
Heat sink
Description
Spare part number
Heat sink for use in models with discrete graphics (includes replacement thermal material)
718431-001
Heat sink for use in models with UMA graphics (includes replacement thermal material)
728409-001
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.
) and then remove the following components:
a.
Hard drive (see
)
b.
c.
Solid-state drive (see
)
Component replacement procedures
65
