Power/USB board
Table 6-5 Power/USB board and cable descriptions and part numbers
Description Spare part number
Power/USB board L44578-001
Power/USB board cable (included in Cable Kit) L52216-001
Before removing the power/USB board, follow these steps:
1. Prepare the computer for disassembly (Preparation for disassembly on page 31).
2. Place the computer in Battery Safe mode (Battery Safe mode on page 31).
3. Remove the bottom cover (Bottom cover on page 32).
4. Remove the battery (Battery on page 40).
Remove the power/USB board:
1. Disconnect the cable from the ZIF connector on the power/USB board (1).
2. Remove the two Phillips M2.0 × 4.0 screws (2) that secure the board to the computer.
3. Lift the rear of the board up, and then pull the board away from the connector and out of the computer
to remove it (3).
Reverse this procedure to install the power/USB board.
46 Chapter 6 Removal and replacement procedures for authorized service provider parts