Inspiron 3668 Service Manual

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Procedure

NOTE: : Note the routing of all cables as you remove them so that you can reroute them correctly after you replace the system board. For information on system board connectors, see “System board components’.

  1. Disconnect the chassis-fan cable from the system board.
  2. Disconnect the power-supply unit cable from the system board.
  3. Disconnect the power-button cable from the system board.
  4. Disconnect the optical-drive power cable from the system board.
  5. Disconnect the hard-drive power cable and power-supply unit cable from the system board.
  6. Disconnect the optical-drive and hard-drive data cables from the system board.
    Image: Removing the system board
  7. Remove the eight screws (#6-32xL6.35) that secure the system board to the chassis.
  8. Lift the system board and remove it from the chassis.
    Image: Removing the system board

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