HP EliteBook 720 Maintenance and Service Guide - Page 80

Card reader board, to which the card reader board cable is attached, and then disconnect

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Card reader board Description Card reader board (includes cable) Spare part number 781841-001 Before removing the card 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 card reader board: 1. Turn the top cover upside down with the front toward you. 2. Release the ZIF connector (1) to which the card reader board cable is attached, and then disconnect the card reader board cable (2) from the system board. 3. Turn the top cover upside down with the front toward you. 4. Release the ZIF connector (1) to which the TouchPad cable is attached, and then disconnect the TouchPad cable from the card reader board. 5. Release the card reader board cable (2) through the opening in the top cover. 70 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts

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Card reader board
Description
Spare part number
Card reader board (includes cable)
781841-001
Before removing the card 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 card reader board:
1.
Turn the top cover upside down with the front toward you.
2.
Release the ZIF connector
(1)
to which the card reader board cable is attached, and then disconnect the
card reader board cable
(2)
from the system board.
3.
Turn the top cover upside down with the front toward you.
4.
Release the ZIF connector
(1)
to which the TouchPad cable is attached, and then disconnect the
TouchPad cable from the card reader board.
5.
Release the card reader board cable
(2)
through the opening in the top cover.
70
Chapter 6
Removal and replacement procedures for Authorized Service Provider parts