Dell Latitude 7400 - Heatsink; Removing the Heatsink Fan Assembly

1. Install the battery.
2. Install the base cover.
3. Follow the procedure after working inside your computer.
Heatsink
Removing the heatsink fan assembly
1. Follow the procedure in before working inside your computer.
2. Remove the base cover.
3. Remove the battery.
4. Remove the WWAN card.
1.
NOTE: Heatsink and Fan are separately orderable parts.
Disconnect the fan cable from the connector on the system board [1].
2. Remove the two (M2x3) screws in sequence (2 > 1) on the fan case and four (M2x3) screws in sequence (4 > 3 > 2 > 1)
from the heatsink [2].
3. Lift and remove the heatsink fan assembly from the computer [3].
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Removing and installing components