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74 Chapter 3
3. Detach the upper cover from the housing carefully.
4. Remove the four screws holding the daughter board plate.
5. Remove the daughter board plate.
6. Remove the daughter board top cover as the picture shows.
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7. Cut the cable clamp holding the two front USB cables and front panel audio cable.
8. Remove the daughter board module from the upper cover.
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9. Remove the daughter board plate from the daughter board module.
10. Remove the two screws holding the daughter board.
11. Remove the daughter board.
12. Disconnect the front panel audio connector from the daughter board.
13. Disconnect the two front USB connectors from the daughter board.