Replacing The Usb Board - Dell Inspiron 3420 Owner's Manual

1 screw
3 USB-board cable

Replacing the USB Board

1 Follow the procedures in "Before You Begin" on page 9.
2 Slide the connectors on the USB board into the slots on the computer base
and align the screw hole on USB board with the screw hole on the
computer base.
3 Replace the screw that secures the USB board to the computer base.
4 Slide the USB-board cable into the connector on the system board. Press
down on the connector latch to secure the USB-board cable to the
connector on the system board.
5 Replace the optical drive (see "Replacing the Optical Drive" on page 24).
6 Follow the instructions from step 3 to step 7 in "Replacing the Palm-Rest
Assembly" on page 28.
7 Replace the battery (see "Replacing the Battery" on page 14).
CAUTION:
stray screws remain inside the computer. Failure to do so may result in damage to
the computer.
48
USB Board
1
Before turning on the computer, replace all screws and ensure that no
2
2 USB board
3