3. Remove the ngerprint reader board from the computer (4).
Reverse this procedure to install thengerprint reader board.
Heat sink
To remove the heat sink, use these procedures and illustrations.
Table 6-7
Heat sink descriptions and part numbers
Description Spare part number
Heat sink for use in models with discrete graphics N03344-001
Heat sink for use in models with UMA graphics N03345-001
Before removing the heat sink, follow these steps:
1. Prepare the computer for disassembly (see Preparation for disassembly on page 40).
2. Remove the bottom cover (see Bottom cover on page 40).
3. Disconnect the battery cable from the system board (see Battery on page 50).
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 computer.
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Chapter 6Removal and replacement procedures for authorized service provider parts
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