Dell Inspiron 14 (5447, Early 2014) - Manual (Page 67)

Procedure
1 Disconnect the antenna cables from the wireless card.
1 antenna cables (2) 2 wireless card
2 Open the display to an angle of 90 degrees.
3 Place the computer on the edge of the table so that the palm rest is on
the table and the display assembly extends past the table edge with the
display hinges facing up.
4 Remove the screws that secure the display hinges to the palm rest.
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