Before removing the USB board, follow these steps:
1. Prepare the computer for disassembly (Preparation for disassembly on page 21).
2. Remove the bottom cover (Bottom cover on page 21).
3. Disconnect the battery cable from the system board (see Battery on page 23).
Remove the USB board:
1. Disconnect the two cables from the USB board ZIF connectors (1).
2. Remove the two Phillips M2.0 × 3.0 screws (2) that secure the board to the computer.
3. Remove the board from the computer (3).
Reverse this procedure to install the USB board.
Power button
To remove the power button, use this procedure and illustration.
Table
5-9 Power button description and part number
Description Spare part number
Power button M00319-001
Before removing the power button, follow these steps:
1. Prepare the computer for disassembly (Preparation for disassembly on page 21).
2. Remove the bottom cover (Bottom cover on page 21).
3. Disconnect the battery cable from the system board (see Battery on page 23).
4. Remove the USB board (see USB board on page 29).
30 Chapter 5 Removal and replacement procedures for authorized service provider parts
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