4. Remove the fan from the computer (4).
Reverse this procedure to install the fan assembly.
Fingerprint reader board
To remove the ngerprint reader board, use this procedure and illustration.
Table 5-10 Fingerprint reader board description and part number
Description Spare part number
Fingerprint reader board M21724-001
Fingerprint reader board cable (included in Cable Kit) M23765-001
Fingerprint reader board bracket (included in Bracket Kit) M21715-001
Fingerprint reader insert (for use in models without a ngerprint reader) M23955-001
Before removing the ngerprint reader board, follow these steps:
1. Prepare the computer for disassembly (see Preparation for disassembly on page 32).
2. Remove the bottom cover (see Bottom cover on page 32).
3. Disconnect the battery cable from the system board (see Battery on page 33).
Remove the ngerprint reader board:
1. Disconnect the cable from the ZIF connector on the ngerprint reader board (1).
2. Remove the Phillips M2.0 × 2.5 screw (2) that secures the ngerprint reader bracket to the computer,
and then remove the bracket (3).
42 Chapter 5 Removal and replacement procedures for authorized service provider parts
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