Dell Inspiron 15 (7548, Late 2014) - Manual (Page 50)

4 Note the display-cable routing and remove the display cable from the
routing guides on the processor fan.
1 wireless card 2 antenna cables
3 display cable
5 Open the palm-rest assembly to an angle of 90 degrees.
6 Place the computer at the edge of a table with the display hanging over.
7
Remove the screws that secure the display assembly to the palm-rest
assembly.
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