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      Express sub card removal and installation - ThinkPad Edge E420

      For access, remove these FRUs in order:

      When installing: Make sure that the Express sub card is attached firmly to the system board.

      Express card removal and installation

      Step Screw (quantity) Color Torque
      1 M2 × 6 mm, wafer-head, nylon-coated (2) Black 0.181 Nm (1.85 kgfcm)


      Purchase parts online



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      • Alias ID:
      • Document ID: PD015279
      • Last Updated :03 Oct 2014
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