Dell Latitude 5400 Service Manual

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Installing the heatsink assembly

Steps

Place the heatsink assembly on the system board and align the screw holes on the heatsink with the screw holes on the system board [1].
Replace the two (M2x3) screws that secure the fan section of the heatsink assembly to the system board.
In sequential order (as indicated on the heatsink), tighten the six (M2x3) screws that secure the heatsink assembly to the system board [2].
Connect the system fan cable from the connector on the system board.

Next steps

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