Heat sink
NOTE: All heat sink spare part kits include replacement thermal material.
Table 5-8 Heat sink descriptions and part numbers
Description Spare part number
Heat sink L44552-001
Before removing the heat sink, follow these steps:
1. Prepare the computer for disassembly (Preparation for disassembly on page 29).
2. Place the computer in Battery Safe mode (Battery Safe mode on page 29).
3. Remove the bottom cover (Bottom cover on page 30).
4. Remove the battery (Battery on page 31).
Remove the heat sink:
1. In the order indicated on the heat sink, loosen the four captive Phillips screws (1) that secure the heat
sink to the system board.
2. Lift the tape that secures the heat sink to the fan (2).
3. Remove the heat sink from the system board (3).
38 Chapter 5 Removal and replacement procedures for authorized service provider parts
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