Specifications

f.
Keyboard (see
Keyboard on page 42)
g. Top cover (see
Top cover on page 45)
h.
Fan (see
Fan on page 52)
i. System board (see
System board on page 55)
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 (includes replacement thermal material) 718431-001
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.
Component replacement procedures
59