Fingerprint reader board
Description Spare part number
Fingerprint reader board (includes cable) 702845-001
Before removing the ngerprint reader board, follow these steps:
1. Turn o 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. Disconnect the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the battery (see Battery on page 29), and then remove the following components:
a. Hard drive cover (see Hard drive cover on page 32)
b. Hard drive (see Hard drive/SSD drive on page 33)
c. Service cover (see Service cover on page 38)
d. Keyboard (see Keyboard on page 45)
e. Base enclosure (see Base enclosure on page 53)
f. Fan (see Fan on page 58)
g. System board (see System board on page 59)
Remove the ngerprint reader board:
1. Position the system board upside down.
2. Disconnect the ngerprint reader board cable from the system board connector, and then remove the
assembly.
3. Remove the ngerprint reader board and cable.
Reverse this procedure to install the ngerprint reader board.
66 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts
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