HP ENVY dv7-7227cl HP ENVY dv7 Notebook PC Maintenance and Service Guide IMPOR - Page 77

Fingerprint reader board, and then remove the following components

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4. Remove the power button board (3) and cable. Reverse this procedure to install the power button board. Fingerprint reader board Description Fingerprint reader board (includes cable and bracket) Spare part number 681975-001 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 47), and then remove the following components: a. Hard drive (see Hard drive on page 48) b. Optical drive (see Optical drive on page 53) c. Keyboard (see Keyboard on page 59) d. Top cover (see Top cover on page 63) Component replacement procedures 69

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4.
Remove the power button board
(3)
and cable.
Reverse this procedure to install the power button board.
Fingerprint reader board
Description
Spare part number
Fingerprint reader board (includes cable and bracket)
681975-001
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
47
), and then remove the following components:
a.
Hard drive (see
Hard drive
on page
48
)
b.
Optical drive (see
Optical drive
on page
53
)
c.
Keyboard (see
Keyboard
on page
59
)
d.
Top cover (see
Top cover
on page
63
)
Component replacement procedures
69