HP EliteBook 650 Maintenance and Service Guide - Page 62

Touchpad, Remove the I/O board

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Table 6-3 I/O board description and part number (continued) Description RJ-45 (network) jack door Spare part number M21994-001 Before removing the I/O board, follow these steps: 1. Prepare the computer for disassembly (see Preparation for disassembly on page 41). 2. Remove the bottom cover (see Bottom cover on page 41). 3. Disconnect the battery cable from the system board (see Battery on page 51). Remove the I/O board: 1. Disconnect the cable from the larger ZIF connector (1) and smaller ZIF connector (2) on the I/O board. 2. Remove the three Phillips M2.0 × 4.0 screws (3) that secure the board to the computer, and then remove the network jack door from the board (4). 3. Remove the board from the computer (5). Reverse this procedure to install the I/O board. Touchpad To remove the touchpad, use this procedure and illustration. Table 6-4 Touchpad description and part number Description Touchpad for use in models without NFC Touchpad for use in models with NFC (includes NFC antenna) Touchpad cable (included in Cable Kit) Spare part number N14647-001 M22000-001 N03218-001 54 Chapter 6 Removal and replacement procedures for authorized service provider parts

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Table 6-3
I/O board description and part number
(continued)
Description
Spare part number
RJ-45 (network) jack door
M21994-001
Before removing the I/O board, follow these steps:
1.
Prepare the computer for disassembly (see
Preparation for disassembly
on page
41
).
2.
Remove the bottom cover (see
Bottom cover
on page
41
).
3.
Disconnect the battery cable from the system board (see
Battery
on page
51
).
Remove the I/O board:
1.
Disconnect the cable from the larger ZIF connector
(1)
and smaller ZIF connector
(2)
on the I/O board.
2.
Remove the three Phillips M2.0 × 4.0 screws
(3)
that secure the board to the computer, and then remove
the network jack door from the board
(4)
.
3.
Remove the board from the computer
(5)
.
Reverse this procedure to install the I/O board.
Touchpad
To remove the touchpad, use this procedure and illustration.
Table 6-4
Touchpad description and part number
Description
Spare part number
Touchpad for use in models without NFC
N14647-001
Touchpad for use in models with NFC (includes NFC antenna)
M22000-001
Touchpad cable (included in Cable Kit)
N03218-001
54
Chapter 6
Removal and replacement procedures for authorized service provider parts