
Fingerprint reader board
Description Spare part number
Fingerprint reader board (includes cable) 702845-001
Before removing the fingerprint reader board, follow these steps:
1. Turn off the computer. If you are unsure whether the computer is off 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 41), and then remove the following components:
a. Hard drive cover (see
Hard drive cover on page 47)
b. Hard drive (see
Hard drive/SSD drive on page 48)
c. Service cover (see
Service cover on page 53)
d. Keyboard (see
Keyboard on page 60)
e. Base enclosure (see
Base enclosure on page 63)
f. Fan (see
Fan on page 68)
g. System board (see
System board on page 69)
Remove the fingerprint reader board:
1. Position the system board upside down.
2. Disconnect the fingerprint reader board cable from the system board connector, and then remove
the assembly.
3. Remove the fingerprint reader board and cable.
Reverse this procedure to install the fingerprint reader board.
Component replacement procedures
77