Inspiron 14 Plus 7440 Owner's Manual

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Removing the USB board

CAUTION:The information in this section is intended for authorized service technicians only.

Follow the procedure in Before working inside your computer.
NOTE:Ensure that your computer is in Service Mode. For more information, see step 6 in Before working inside your computer.
Remove the base cover.
Remove the fan.
Remove the heat sink.

The following image(s) indicate the location of the USB board and provides a visual representation of the removal procedure.

Remove the two (M2.5x5) screws that secure the left display-assembly hinge on the palm-rest and keyboard assembly.
Pry open the left display-assembly hinge at a 90-degree angle.
Lift the latch and disconnect the fingerprint-reader cable from its connector on the USB board.
NOTE:This step is only applicable for computers that are shipped with the power button with an optional fingerprint reader.
Remove the screw (M2x3) that secures the USB board to the palm-rest and keyboard assembly.
Lift the USB board from the palm-rest and keyboard assembly and flip it over by folding the USB-board cable gently.
Hold the USB board in place and lift the latch to disconnect the USB-board cable from its connector on the USB board.
Remove the USB board and place the USB-board cable back on the palm-rest and keyboard assembly.
NOTE:Do not peel the I/O-board and USB-board cable off the palm-rest and keyboard assembly.