Dell Inspiron 1428 (Late 2009) - Manual (Page 48)

48 Display
7 Turn the computer over and remove the hinge cover (see "Removing the
Hinge Cover" on page 15).
8 Remove the keyboard (see "Removing the Keyboard" on page 17).
9 Make note of the Mini-Card antenna cable routing and carefully dislodge
the antenna cables from the cable routing slot on the computer. Pull the
cables away, so that they are clear of the palm rest.
10 Disconnect the display cable, inverter board cable, camera cable, and
microphone cables from the respective system board connectors.
11 Remove the cables from their routing guides.