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USB board
Description Spare part number
USB board 640883-001
Before removing the USB board, remove the following components:
1. Battery (see
Battery on page 41)
2. Service door (see
Service door on page 42)
3. Hard drive (see
Hard drive on page 43)
4. Optical drive (see
Optical drive on page 45)
5. Keyboard (see
Keyboard on page 51)
6. Top cover (see
Top cover on page 53)
Remove the USB board:
1. Position the computer right-side up, with the right side toward you.
2. Release the clips (1) that secure the USB board to the base enclosure.
3. Lift the USB board (2) straight up to remove it from the computer.
Reverse this procedure to install the USB board.
60 Chapter 4 Removal and replacement procedures