6.
Remove the system board (3) by sliding it up and to the left an angle.
Reverse this procedure to install the system board.
Heat sink
Description
Heat sink (includes 4 captive screws and 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 battery (see
a.
Service cover (see
b.
Hard drive (see
c.
Display assembly (see
d.
Bottom cover (see
Battery on page
27), and then remove the following components:
Service cover on page
Hard drive on page
29)
Display assembly on page
Bottom cover on page
28)
37)
42)
Component replacement procedures
Spare part number
730902-001
55