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 for use in models with AMD and Ryzen 5 processors M50341-001
USB board for use in models with AMD Ryzen 3 and Athlon Silver processors M50342-001
USB board cables (included in Cable Kit) M34155-001
Before removing the USB board, follow these steps:
1. Prepare the computer for disassembly (Preparation for disassembly on page 22).
2. Remove the bottom cover (Bottom cover on page 22).
3. Remove the battery (see Battery on page 23).
4. Remove the fan (see Fan on page 28).
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.
32 Chapter 5 Removal and replacement procedures for authorized service provider parts
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