HP EliteBook 720 Maintenance and Service Guide - Page 89

Fingerprint reader board, Detach

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Fingerprint reader board Description Fingerprint reader board (includes bracket and cable) Spare part number 730554-001 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 service cover (see Service cover on page 37), and then remove the following components: a. Battery (see Battery on page 39) b. Hard drive (see Hard drive/solid-state drive on page 41) c. Keyboard (see Keyboard on page 50) d. Top cover (see Top cover on page 57) Remove the fingerprint reader board: 1. Turn the top cover upside down with the front toward you. 2. Detach the fingerprint reader board cable (1) from the top cover. (The fingerprint reader board cable is attached to the top cover with double-sided adhesive.) 3. Remove the three Phillips PM2.0×2.5 screws (2) that secure the fingerprint reader board and bracket to the top cover. 4. Remove the fingerprint reader board bracket (3). Component replacement procedures 79

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Fingerprint reader board
Description
Spare part number
Fingerprint reader board (includes bracket and cable)
730554-001
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 service cover (see
Service cover
on page
37
), and then remove the following components:
a.
Battery (see
Battery
on page
39
)
b.
Hard drive (see
Hard drive/solid-state drive
on page
41
)
c.
Keyboard (see
Keyboard
on page
50
)
d.
Top cover (see
Top cover
on page
57
)
Remove the
fingerprint
reader board:
1.
Turn the top cover upside down with the front toward you.
2.
Detach the
fingerprint
reader board cable
(1)
from the top cover. (The
fingerprint
reader board cable is
attached to the top cover with double-sided adhesive.)
3.
Remove the three Phillips PM2.0×2.5 screws
(2)
that secure the
fingerprint
reader board and bracket to
the top cover.
4.
Remove the
fingerprint
reader board bracket
(3)
.
Component replacement procedures
79