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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.


  • Alias ID:
  • Document ID: PD015122
  • Last Updated :11/6/2014
  • (c) 2014 Lenovo