Unsupported Browser Detected: Dear user, the browser you’re currently using is not supported by this website. Please click here for more information about the browsers we support and how to obtain them.

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


  • Alias ID:
  • Document ID: PD015279
  • Last Updated :03 Oct 2014
  • © 2015 Lenovo