Dell OptiPlex GX110 - Manual (Page 32)

To remove the system board, perform the following steps:
1. Remove the computer cover .
2. Disconnect all cables from their connectors at the back of the computer.
3. Disconnect all cables from the system board.
4. Rotate the system power supply .
5. Remove the DIMMs .
6. Remove the microprocessor .
7. Remove the AGP card brace and the AGP video card.
8. Slide all externally accessible drives and brackets partially out of the chassis.
9. Slide the hard-disk drive partially out of the chassis .
10. Remove the screw that secures the system board to the bottom of the chassis. (See Figure 25 .)
11. Slide the system board toward the front of the chassis until it stops.
12. Carefully raise the front of the system board and lift the board out of the chassis at an angle.
To replace the system board, perform the following steps:
1. Carefully replace the system board in the chassis by performing step 12 of the removal process in reverse.
2. Push down near each slot to engage the grounding clip onto its corresponding tab.
3. Push evenly on both sides of the system board as you slide and lock it into position (do not twist the system board).
4. Reinstall the mounting screw.
5. Reinstall all components on the system board by performing steps 4 through 9 of the removal process in reverse.
6. Set the jumpers on the new system board so that they are identical to those on the old board, unless you are installing a microprocessor
upgrade.
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