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Heat sink
Description Spare part number
Heat sink (includes a heat sink clip and replacement thermal material) 453998-001
Thermal Material Kit 445853-001
Before removing the heat sink, 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 (see
Hard drive on page 38)
b.
Optical drive (see
Optical drive on page 45)
c.
Keyboard (see
Keyboard on page 47)
d.
Switch cover (see
Switch cover on page 49)
e.
Display assembly (see
Display assembly on page 51)
f.
Top cover (see
Top cover on page 55)
g.
Bluetooth module (see
Bluetooth module on page 61)
h.
System board (see
System board on page 65)
i.
Fan (see
Fan on page 71)
Remove the heat sink:
1. Remove the two Phillips PM2.0×6.0 shoulder screws (1) that secure the heat sink and the heat sink
retention clips to the system board.
2. Remove the heat sink retention clips (2) by sliding them to the left.
Component replacement procedures 73