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9.
Lift the right side of the system board (2) until it rests at an angle.
10.
Remove the system board (3) by sliding it up and to the right at an angle.
Reverse this procedure to install the system board.
Heat sink
NOTE: The heat sink spare part kit includes replacement thermal material.
Description Spare part number
For use only on computer models equipped with an AMD processor and a graphics subsystem
with discrete memory
687231-001
For use only on computer models equipped with an AMD processor and a graphics subsystem
with UMA memory
687230-001
For use only on computer models equipped with an Intel processor and a graphics subsystem with
discrete memory
686905-001
For use only on computer models equipped with an Intel processor and a graphics subsystem with
UMA memory
686904-001
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.
78 Chapter 4 Removal and replacement procedures