HP Chromebook Pro c640 G2, Maintenance And Service Manual

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2. Remove the bracket from the computer (2).
Reverse this procedure to install the lock bracket.
USB board
To remove the USB board, use this procedure and illustration.
Table 5-10 USB board description and part number
Description Spare part number
USB board M57287-001
USB board cable, HS M57285-001
USB board cable, LS M57286-001
Before removing the USB board, follow these steps:
1. Prepare the computer for disassembly (see Preparation for disassembly on page 26 ).
2. Remove the bottom cover (see Bottom cover on page 26 ).
3. Remove the battery (see Battery on page 27 ).
4. Remove the fan (see Fan on page 32 ).
Remove the USB board:
1. Remove the tape from the connectors on the USB board (1).
2. Disconnect the two cables from the reverse ZIF connectors on the USB board (2).
3. Remove the four Phillips M2.0 × 2.0 screws (3) that secure the board to the computer.
36 Chapter 5 Removal and replacement procedures for authorized service provider parts