HP Fortis x360 11 inch G3 J Chromebook Maintenance and Service Guide - Page 43

System board, to the bottom cover.

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Table 5-11 USB board description and part number Description USB board USB board bracket Spare part number N38877-001 N38891-001 Before removing the USB board, follow these steps: 1. Prepare the computer for disassembly (see Preparation for disassembly on page 25). 2. Remove the top cover with keyboard (see Top cover with keyboard on page 25). 3. Disconnect the battery cable from the system board (see Battery on page 33). Remove the USB board: 1. Release the shielding (1) that covers the USB board cable ZIF connectors on the system board. 2. Release the two ZIF connectors (2) the USB board cables are connected to, and then disconnect the USB board cables from the system board. 3. Remove Phillips M2.0 × 4.2 screw that secures the USB board bracket (3) to the bottom cover. 4. Remove the USB board bracket (4). 5. Remove the USB board (5) and cables. To install the USB board, reverse this procedure. System board To remove the system board, use these procedures and illustrations. Table 5-12 System board descriptions and part numbers Description System board (includes processor) Spare part number 38 Chapter 5 Removal and replacement procedures for authorized service provider parts

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Table 5-11
USB board description and part number
Description
Spare part number
USB board
N38877-001
USB board bracket
N38891-001
Before removing the USB board, follow these steps:
1.
Prepare the computer for disassembly (see
Preparation for disassembly
on page
25
).
2.
Remove the top cover with keyboard (see
Top cover with keyboard
on page
25
).
3.
Disconnect the battery cable from the system board (see
Battery
on page
33
).
Remove the USB board:
1.
Release the shielding
(1)
that covers the USB board cable ZIF connectors on the system board.
2.
Release the two ZIF connectors
(2)
the USB board cables are connected to, and then disconnect the
USB board cables from the system board.
3.
Remove Phillips M2.0 × 4.2 screw that secures the USB board bracket
(3)
to the bottom cover.
4.
Remove the USB board bracket
(4)
.
5.
Remove the USB board
(5)
and cables.
To install the USB board, reverse this procedure.
System board
To remove the system board, use these procedures and illustrations.
Table 5-12
System board descriptions and part numbers
Description
Spare part number
System board
(includes processor)
38
Chapter 5
Removal and replacement procedures for authorized service provider parts