Inspiron 14 Plus 7440 Owner's Manual

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Removing the system 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 battery.
Remove the M.2 2230 solid-state drive or the M.2 2280 solid-state drive, whichever is applicable.
Remove the wireless card.
Remove the heat sink.
Remove the display assembly.

The following image indicates the connectors and M.2 card slots on your system board.

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

NOTE:The image shows the system board and its heat sink has been removed.

Lift the latch and disconnect the I/O-board and USB-board cable from its connector on the system board.
Lift the latch and disconnect the touchpad cable from its connector on the system board.
Lift the latch and disconnect the keyboard cable from its connector on the system board.
Disconnect the speaker cables from their connector on the system board.
Lift the latch and disconnect the keyboard-backlight cable from its connector on the system board.
Disconnect the battery cable from its connector on the system board.
Peel the tape that secures the power-adapter port cable to its connector on the system board.
Disconnect the power-adapter port cable from its connector on the system board.
Remove the two screws (M2x4) that secure the Type-C bracket to the system board.
Lift the Type-C port bracket off the system board.
Remove the two screws (M2x1.8) that secure the system board to the palm-rest and keyboard assembly.
Lift the system board off the palm-rest and keyboard assembly.