Fingerprint reader assembly
Description Spare part number
Fingerprint reader assembly L28254-001
Fingerprint reader bracket (included in Bracket Kit) L29057-001
Fingerprint reader insert (included in Plastics Kit; for use in models without a ngerprint reader) L29889-001
Before removing the ngerprint reader assembly, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is o or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Place the computer in “Battery Safe mode” (Battery Safe mode on page 31).
3. Disconnect all external devices connected to the computer.
4. Disconnect the power from the computer by rst unplugging the power cord from the AC outlet, and
then unplugging the AC adapter from the computer.
5. Remove the following components:
a. Service door (Service doors on page 32).
b. Keyboard (Keyboard on page 40)
c. Top cover (Top cover on page 47)
Remove the ngerprint reader assembly:
1. Position the top cover upside-down.
2. Slide the bracket toward the side of the top cover, and then lift it o the ngerprint reader board (1).
TIP: A tool may be required to push and disengage the bracket.
50 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts
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