Dell Latitude 5400 Service Manual

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Installing the touchpad button board

Steps

Place the touchpad button board into the slot on the palmrest [1].
Replace the two (M2x3) screws to secure the touchpad button board to the palmrest [2].
Connect the touchpad button board cable to the connector on the touchpad board [1, 2].
Connect the Smartcard reader Flexible Flat Cable (FFC) to the USH board [1].
Adhere the FFC on the palmrest [2].

Next steps

Replace the speaker.
Replace the battery.
Replace the base cover.
Replace the microSD card.
Follow the procedure in after working inside your computer.