USB board
Table 6-9 USB board description and part number
Description Spare part number
USB board L22538-001
USB board cable L22522-001
Before removing the USB board, follow these steps:
1. Prepare the computer for disassembly (Preparation for disassembly on page 32).
2. Remove the optical drive (see Optical drive on page 33).
3. Remove the bottom cover (see Bottom cover on page 37).
4. Remove the battery (see Battery on page 40).
Remove the USB board:
1. Disconnect the cable from the ZIF connector on the USB board (1).
2. Remove the two Phillips M2.0 × 3.0 screws (2), and then remove the board from the computer (3).
Reverse this procedure to replace the USB board.
50 Chapter 6 Removal and replacement procedures for authorized service provider parts