Lenovo PB1-750M Hardware Maintenance Manual page 63

6. Remove the conductive tape on the connector of the main FPC at the front
housing side as shown in the figure below.
Figure 9-7. Removing the conductive tape (front housing side)
7. Unlock the connector of the main FPC on the front housing using a triangle
paddle.
Figure 9-8. Unlocking the connector of the main FPC (front housing side)
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