Fan/heat sink assembly
Description Spare part number
Fan/heat sink assembly (includes replacement thermal material) for use only with computer
models with UMA graphics subsystem memory
619440-001
Fan/heat sink assembly (includes replacement thermal material) for use only with computer
models with discrete graphics subsystem memory
626735-001
Before removing the fan/heat sink assembly:
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn on
the computer, 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 disconnecting the power cord from the AC
outlet and then disconnecting the AC adapter from the computer.
4. Remove the following components:
a. Battery (see
Battery on page 34)
b. Hard drive (see
Hard drive on page 36)
c. Keyboard (see
Keyboard on page 42)
d. Top cover (see
Top cover on page 45)
e. Display assembly (see
Display assembly on page 61)
f. System board (see
System board on page 73)
Remove the fan/heat assembly (fan/heat sink appearance may vary):
NOTE: The following steps apply only to computer models equipped with graphics subsystems
having UMA memory.
1. Turn the system board right-side up, with the front toward you.
Component replacement procedures 67
