7.
Remove the system board (2) by sliding it up and to the left 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 a graphics subsystem with discrete memory
818112-001
For use only on computer models equipped with a graphics subsystem with UMA memory
818111-001
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 37
)
b.
Fan (see
Fan on page 46
)
c.
RJ45 cover (see
RJ45 cover on page 48
)
d.
Security cable slot bracket (see
Security cable slot bracket on page 50
)
e.
System board (see
System board on page 51
)
Remove the heat sink:
Component replacement procedures
55