2. Remove the three Phillips M2.0 × 3.0 screws (2), and then remove the fan (3).
Reverse this procedure to install the fan assembly.
Heat sink
To remove the heat sink, use these procedures and illustrations.
Table 
5-7  Heat sink descriptions and part numbers
Description Spare part number
Heat sink M00434-001
Before removing the heat sink, follow these steps:
1. Prepare the computer for disassembly (Preparation for disassembly on page 25).
2. Remove the bottom cover (Bottom cover on page 25).
3. Remove the battery (see Battery on page 26).
Remove the heat sink:
1. In the order indicated on the heat sink, remove the four Phillips M2.0 × 2.0 screws (1), and then remove 
the heat sink from the computer (2).
Component replacement procedures 33