4.Turn the computer top side up with the rear panel facing forward.
5.Remove the two bushing guides 1 that secure the system board to the I/O bracket (Figure
6.Remove the three screws 2 that secure the system board to the base enclosure.
7.Lift the system board straight out of the base enclosure 3.
Figure 5-25. Removing the System Board
Reverse the removal procedure described above to replace the system board.
