Dell Latitude 7400 2-in-1 Service Manual - Page 85

Technicians must peel back these FFC/FPC/foil in order to access the keyboard screws.

Page 85 highlights

7. Remove the 40 (M1.6x1.5) screws that secure the keyboard to the palmrest assembly. Several of the screws are covered by the touchpad flexible flat cable, LED flexible flat cable (FFC), keyboard flexible printed circuit (FPC), and copper foil. Technicians must peel back these FFC/FPC/foil in order to access the keyboard screws. Removing and installing components 85

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7.
Remove the 40 (M1.6x1.5) screws that secure the keyboard to the palmrest assembly. Several of the screws are covered by
the touchpad flexible flat cable, LED flexible flat cable (FFC), keyboard flexible printed circuit (FPC), and copper foil.
Technicians must peel back these FFC/FPC/foil in order to access the keyboard screws.
Removing and installing components
85