Dell Latitude 7400 2-in-1 Service Manual - Page 43

Fan, Removing the fan

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Next steps 1. Connect the battery cable 2. Install the base cover. 3. Install the SD memory card. 4. Follow the procedure in after working inside your computer. Fan Removing the fan Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the SD memory card. 3. Remove the base cover. 4. Disconnect the battery cable. NOTE: For the Latitude 7400 2-in-1 model shipped with a WWAN card, there is an L-shaped bracket (P-sensor bracket) that covers the four WWAN LTE antenna cable connections to the system board. The screw that secures the bracket to the system also helps secure the fan to the system. Technicians must first remove the bracket before removing the fan and then reinstall the bracket after the fan is reinstalled. Steps 1. Peel off the Mylar sheet from the system board. Removing and installing components 43

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Next steps
1.
Connect the
battery cable
2.
Install the
base cover
.
3.
Install the
SD memory card
.
4.
Follow the procedure in
after working inside your computer
.
Fan
Removing the fan
Prerequisites
1.
Follow the procedure in
before working inside your computer
.
2.
Remove the
SD memory card
.
3.
Remove the
base cover
.
4.
Disconnect the
battery cable
.
NOTE:
For the Latitude 7400 2-in-1 model shipped with a WWAN card, there is an L-shaped bracket (P-sensor bracket)
that covers the four WWAN LTE antenna cable connections to the system board. The screw that secures the bracket to
the system also helps secure the fan to the system. Technicians must first remove the bracket before removing the fan and
then reinstall the bracket after the fan is reinstalled.
Steps
1.
Peel off the Mylar sheet from the system board.
Removing and installing components
43