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Thin foil-type strip that fits onto the heat shield atop the system board, spare part number
459912-001.
To install the strip, place it into the slot on the heat shield, making sure the strip is under the tabs
in the slot.
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 39).
5. Remove the following components:
a. Hard drive compartment cover (see
Hard drive on page 41)
b. Keyboard (see
Keyboard on page 50)
c. Rear plastic bezel (see
Rear plastic bezel on page 52)
d. Top cover (see
Top cover on page 54)
e. Display assembly (see
Display assembly on page 62)
f. System board (see
System board on page 65)
68 Chapter 4 Removal and replacement procedures
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