8.Slide the system board toward the front of the computer to disengage the I/O panel (1), lift the rear of the system board up at an angle (2), and then lift the system board out of the computer
(3).
Figure
When reinstalling the system board, first insert the I/O panel back into the slots in the rear of the chassis, and then align the board with the chassis screw holes.
NOTE: When replacing the system board, you must change the chassis serial number in the BIOS.
162 Chapter 7 Removal and Replacement Procedures Microtower (MT) Chassis