HP Dv71270us Service Guide - Page 93

Fingerprint reader board, Display assembly see

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Fingerprint reader board Description Fingerprint reader board (includes cable) Spare part number 480476-001 Before removing the fingerprint reader board, follow these steps: 1. Shut down 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 all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC Adapter from the computer. 4. Remove the battery (see Battery on page 51). 5. Remove the following components: a. Hard drive (see Hard drive on page 56) b. Optical drive (see Optical drive on page 54) c. Switch cover (see Switch cover on page 66) d. Keyboard (see Keyboard on page 68) e. Speaker assembly (see Speaker assembly on page 72) f. Display assembly (see Display assembly on page 73) g. Top cover (see Top cover on page 82) Remove the fingerprint reader board: 1. Turn the top cover upside down, with the front toward you. 2. Remove the two Phillips PM2.0×3.0 broad-head screws (1) that secure the fingerprint reader board to the top cover. Component replacement procedures 85

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Fingerprint reader board
Description
Spare part number
Fingerprint reader board (includes cable)
480476-001
Before removing the fingerprint reader board, follow these steps:
1.
Shut down 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 all external devices connected to the computer.
3.
Disconnect the power from the computer by first unplugging the power cord from the AC outlet and
then unplugging the AC Adapter from the computer.
4.
Remove the battery (see
Battery
on page
51
).
5.
Remove the following components:
a.
Hard drive (see
Hard drive
on page
56
)
b.
Optical drive (see
Optical drive
on page
54
)
c.
Switch cover (see
Switch cover
on page
66
)
d.
Keyboard (see
Keyboard
on page
68
)
e.
Speaker assembly (see
Speaker assembly
on page
72
)
f.
Display assembly (see
Display assembly
on page
73
)
g.
Top cover (see
Top cover
on page
82
)
Remove the fingerprint reader board:
1.
Turn the top cover upside down, with the front toward you.
2.
Remove the two Phillips PM2.0×3.0 broad-head screws
(1)
that secure the fingerprint reader board
to the top cover.
Component replacement procedures
85