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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)

 

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