Dell OptiPlex GX110 - Manual (Page 109)

2. Remove the drive shelf assembly .
3. Remove the expansion-card cage .
4. Remove the hard-disk drive/bracket .
5. Disconnect all cables from the system board.
6. Remove the screw that secures the system board to the bottom of the chassis (see Figure 32 ).
7. Slide the system board toward the front of the chassis until it stops.
8. Carefully lift the system board out of the chassis (be sure to lift evenly and not twist the system board).
To replace a system board, perform the following steps:
1. Remove the DIMMs and the microprocessor/heat sink assembly and install them on the replacement board.
2. Set the jumpers on the new system board so that they are identical to those on the old board, unless a microprocessor upgrade is being
installed.
3. Push down near each slot to engage the grounding clip onto its corresponding tab.
4. Push evenly on both sides of the system board as you slide it into position (do not twist the system board).
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