Dell XPS 17 (L701X, Late 2010) - Manual (Page 120)

120 USB Board
11 Remove the bluetooth card (see "Removing the Bluetooth Card" on
page 55).
12 Follow the instructions from step 13 to step 18 in "Removing the Top
Cover" on page 79.
13 Turn the top-cover assembly over.
14 Lift the connector latch and disconnect the USB-board cable from the
connector on the USB board.
15 Remove the screw that secures the USB board to the top cover.
16 Carefully ease the connectors on the USB board out of the slots in the top
cover, and lift the USB board off the top cover.
Replacing the USB Board
1 Follow the instructions in "Before You Begin" on page 9.
1 screw 2 USB board
3 USB-board cable connector
1
2
3