
Latitude 5540 Owner's Manual
Installing the dummy SIM-card slot filler
Prerequisites
If you are replacing a component, remove the necessary component before the installation procedure.
About this task
The following image indicates the location of the dummy SIM-card slot filler and provides a visual representation of the dummy SIM-card slot filler installation procedure.

Steps
- Place the dummy SIM-card slot filler into its compartment on the palm rest.
NOTE:Ensure that the dummy SIM-card slot filler is aligned with the ribs on the palm-rest assembly.
- Press the dummy SIM-card slot filler until it clicks into place and ensure it fits securely into the SIM card slot.
Next steps
- Install the fingerprint reader, if applicable.
- Install the smart card reader.
- Install the display assembly.
- Install the system board.
- Install the assembly inner frame.
- Install the battery.
- Install the heat sink.
- Install the M.2 2230 solid-state drive in Slot 2, if applicable.
- Install the M.2 2230 or M.2 2280 solid-state drive in Slot 1, as applicable.
- Install the memory modules.
- Install the WLAN card.
- Install the 4G WWAN card or 5G WWAN card, as applicable.
- Install the base cover.
- Install the SIM card.
- Follow the procedure in After working inside your computer.
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