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      Top case assembly - ThinkPad Edge E420

      For access, remove this FRUs in order:

       

      e420_topcase_1

       

      Note: Your model may look slightly different from the illustration above.

       

      Step Screw (quantity) Color Torque
      [1] M2 × 6 mm, wafer-head, nylon-coated (10) Black 0.181 Nm (1.85 kgfcm)

       

      e420_topcase_2

      Note: Your model may look slightly different from the illustration above.

      Step Screw (quantity) Color Torque
      [2] M2 × 3 mm, wafer-head, nylon-coated (5) Black 0.181 Nm (1.85 kgfcm)

       

      e420_topcase_3

       

      Step Screw (quantity) Color Torque
      [3]
      M2 × 6 mm, wafer-head, nylon-coated (1) Black 0.181 Nm (1.85 kgfcm)

       

      e420_topcase_4

      When installing: Make sure that the connector is attached firmly to the system board.

       

      In step [6], push the top case assembly out from the frame by using a plastic pry tool as shown in the following figure.

       

      e420_topcase_5

       

      Remove the top case assembly in the direction shown by the arrow [7], and then detach the connector [8].

       

      e420_topcase_6

      When installing: Make sure that the connector is attached firmly to the system board.

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      • Alias ID:
      • Document ID: PD015122
      • Last Updated :06 Nov 2014
      • © 2016 Lenovo