8. Remove the system board (3) by sliding it away from the base enclosure at an angle.
Reverse the preceding procedure to install the system board.
Fan/heat sink assembly
Description Spare part number
Fan/heat sink assembly (includes replacement thermal material) 454692-001
Before removing the fan/heat sink assembly, follow these steps:
1.
Shut down 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 all external devices connected to the computer.
3.
Disconnect the power from the computer by first unplugging the power cord from the AC outlet and
then unplugging the AC adapter from the computer.
4.
Remove the battery (see
Battery on page 37).
5.
Remove the following components:
a.
Hard drive compartment cover (see
Hard drive on page 39)
b.
Keyboard (see
Keyboard on page 48)
c.
Hinge cover (see
Hinge cover on page 50)
d.
Top cover (see
Top cover on page 52)
e.
Display assembly (see
Display assembly on page 60)
f.
System board (see
System board on page 63)
Component replacement procedures 65