Dell OptiPlex GX745 - Page 137

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Dell™OptiPlex™745User'sGuide
I/O Panel
I/O Panel
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Removing the I/O Panel
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1. Follow the procedures in Before You Begin.
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2. Remove the optical drive and floppy drive from the drive bays, if installed (see Drives).
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3. Remove the processor heatsink (see Processor).
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4. Remove the front fan:
Press the tab that secures the fan to the interior base of the computer and lift the fan from the computer; set the fan aside in the chassis.
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5. Disconnect all cables that are connected to the I/O panel that you can access without removing the I/O panel.
Note the routing of the cables as you lay them aside, so that you can replace them correctly.
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6. From inside the computer cover, remove the mounting screw that secures the I/O panel to the computer.
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7. Ease the I/O panel back and forth to release its circular tabs from the two holes in the chassis that secure it.
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8. Remove any remaining cables; note the routing of all cables, so that you can reroute them
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9. Remove the I/O panel from the computer.
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CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide.
CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before removing the computer cover.
1
fan cable connector
2
air temperature sensor
cable
3
I/O cable connector
4
screw
5
I/O panel