3.
Remove the fingerprint reader board from the computer (4).
Reverse this procedure to install the fingerprint 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
M47406-001
Before removing the heat sink, follow these steps:
1.
Prepare the computer for disassembly (see
Preparation for disassembly on page 38
).
2.
Remove the bottom cover (see
3.
Disconnect the battery cable from the system board (see
).
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.
54
Chapter 6 Removal and replacement procedures for authorized service provider parts
