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Inspiron 3670 Service Manual

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Procedure

NOTE To ensure that cables are connected to the correct system board connectors, see “System board components’.
NOTE Depending on the configuration ordered your computer may have up to two 2.5-inch hard-drives installed. If only one hard-drive is installed skip step 9 or step 11 where applicable.
  1. Slide the edge of the system board into the front-I/O slot on the chassis and lower the system board into the chassis.
    Image: Replacing the system board
  2. Align the screw holes on the system board with the screw holes on the on the chassis.
    Image: Replacing the system board
  3. Replace the eight screws (#6-32x6.35) that secure the system board to the chassis.
  4. Replace the screw (#6-32x4.8, standoff) that secures the system board to the chassis.
    Image: Replacing the system board
  5. Slide the front-I/O bracket into the front-I/O slot, aligning the screw hole on the front-I/O board to the screw hole on the chassis.
  6. Replace the screw (#6-32x6.35) that secures the front-I/O bracket to the chassis.
    Image: Replacing the system board
  7. Connect the power-supply unit cable (P1) to the system board (ATX CPU).
  8. Connect the hard-drive power cables to the system board (SATA PWR).
  9. Connect the hard-drive power cable to the system board (SATA PWR).
  10. Connect the hard-drive data cable to the system board (SATA 3).
  11. Connect the hard-drive cable to the system board (SATA 0).
  12. Connect the hard-drive data cable to the system board (SATA 1).
  13. Connect the optical-drive data cable to the system board (SATA 2).
  14. Connect the processor-power cable to the system board (ATX SYS).
    Image: Replacing the system board

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