Dell Latitude 9450 2-in-1 - Heat Sink; Removing the Heat Sink

2. Install the WWAN card.
3. Install the base cover.
4. Install the Nano-SIM card tray.
5. Follow the procedure in after working inside your computer.
Heat sink
Removing the heat sink
CAUTION: The information in this removal section is intended for authorized service technicians only.
Prerequisites
1. 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.
2. Remove the Nano-SIM card tray.
3. Remove the base cover.
About this task
The following image indicates the location of the heat sink and provides a visual representation of the removal procedure.
Figure 43. Removing the heat sink
NOTE: To remove the heat sink shielding cover, pry it open from the recess at its upper right corner.
Steps
1. Loosen the three captive screws that secure the heat sink to the system board.
2. Lift the heat sink off the system board.
Removing and installing Field Replaceable Units (FRUs)
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