HP Fortis 11 inch G9 Q Chromebook Maintenance and Service Guide - Page 38

USB board, Lift the tape that covers the two ZIF connectors on the USB board

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USB board To remove the USB board, use this procedure and illustration. Before removing the board, you can remove the system board, heat sink, and fans as an assembly so you do not have to disturb the thermal material. Table 5-6 USB board description and part number Description Spare part number USB board (includes bracket) USB board cable (included in the Cable Kit) USB bracket (included in the Bracket Kit) N19728-001 N19718-001 N19724-001 Before removing the USB board, follow these steps: 1. Prepare the computer for disassembly (see Preparation for disassembly on page 24). 2. Remove the bottom cover (see Bottom cover on page 24). 3. Disconnect the battery cable from the system board (see Battery on page 25). Remove the USB board: 1. Remove the SIM card holder from the slot on the side of the computer (1). 2. Lift the tape that covers the two ZIF connectors on the USB board (2). 3. Disconnect the two ribbon cables from the ZIF connectors on the USB board (3). 4. Disconnect the speaker cable from the connector on the USB board (4). 5. Remove the two Phillips M2.0 × 4.0 screws (1) that secure the USB bracket, and then remove the bracket (2). 6. Remove the two Phillips M2.0 × 2.5 screws (3) that secure the board to the computer. USB board 33

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USB board
To remove the USB board, use this procedure and illustration. Before removing the board, you can remove the
system board, heat sink, and fans as an assembly so you do not have to disturb the thermal material.
Table 5-6
USB board description and part number
Description
Spare part number
USB board (includes bracket)
N19728-001
USB board cable (included in the Cable Kit)
N19718-001
USB bracket (included in the Bracket Kit)
N19724-001
Before removing the USB board, follow these steps:
1.
Prepare the computer for disassembly (see
Preparation for disassembly
on page
24
).
2.
Remove the bottom cover (see
Bottom cover
on page
24
).
3.
Disconnect the battery cable from the system board (see
Battery
on page
25
).
Remove the USB board:
1.
Remove the SIM card holder from the slot on the side of the computer
(1)
.
2.
Lift the tape that covers the two ZIF connectors on the USB board
(2)
.
3.
Disconnect the two ribbon cables from the ZIF connectors on the USB board
(3)
.
4.
Disconnect the speaker cable from the connector on the USB board
(4)
.
5.
Remove the two Phillips M2.0 × 4.0 screws
(1)
that secure the USB bracket, and then remove the bracket
(2)
.
6.
Remove the two Phillips M2.0 × 2.5 screws
(3)
that secure the board to the computer.
USB board
33