Dell OPTIPLEX 740 - Page 165

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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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Replacing the I/O Panel
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1. To replace the I/O panel, follow the removal procedures in the reverse order.
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1
fan cable connector
2
air temperature sensor cable
3
I/O cable connector
4
screw
5
I/O panel
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NOTE: Use the guides on the I/O panel bracket to help position the I/O panel in place and use the notch on the I/O panel bracket to help seat the card.