
USB board
Table 5-9
USB board and cable descriptions and part numbers
Description
Spare part number
USB board (includes cable)
L44578-001
Before removing the USB board, follow these steps:
1.
Prepare the computer for disassembly (
Preparation for disassembly on page 29
2.
Place the computer in Battery Safe mode (
3.
Remove the bottom cover (
).
4.
Remove the battery (
Remove the USB board:
1.
Disconnect the cable from the ZIF connector on the 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 (3), and then pull the board away from the connector and out of the
computer to remove it (4).
Reverse this procedure to install the USB board.
40
Chapter 5 Removal and replacement procedures for authorized service provider parts
Summary of Contents for mt22
Page 4: ...iv Safety warning notice ...