- Notes, cautions, and warnings
- Working inside your computer
- Removing and installing components
- Recommended tools
- Screw List
- Major components of your system
- MicroSD-card
- SIM card tray
- Base cover
- Battery cable
- Memory module
- M.2 solid-state drive conversion bracket
- M.2 solid-state drive thermal plate
- M.2 solid-state drive
- Hard-disk drive
- WLAN card
- WWAN card
- System fan
- Battery
- I/O cable
- Display assembly
- Heatsink assembly
- Power adapter port
- Coin-cell battery
- USB cable
- Ethernet port
- I/O board
- Power-button board
- System board
- Speakers
- Touchpad
- WWAN I/O board
- Palmrest assembly
- Display bezel
- Display panel
- Camera
- Display cable
- Display back-cover
- Drivers and downloads
- System setup
- Troubleshooting
- Built-in self-test (BIST)
- LCD Built-in Self Test (BIST)
- Dell SupportAssist Pre-boot System Performance Check diagnostics
- Diagnostic LED behavior
- Diagnostic error messages
- System error messages
- Recovering the operating system
- Real-Time Clock (RTC Reset)
- Flashing the BIOS
- Backup media and recovery options
- WiFi power cycle
- Flea power release
- Getting help and contacting Dell
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Latitude 3420 Service Manual
Installing the SIM card tray
Prerequisites
If you are replacing a component, remove the necessary component before the installation procedure.
About this task
NOTE The following steps are applicable only for 4G LTE enabled systems.
The following image provides a visual representation of the SIM card tray installation procedure.
Steps
- Insert the SIM card removal pin into the release hole to remove the SIM card tray.
- Push the pin to disengage the lock, and eject the SIM card tray.
- Slide the SIM card tray out of the slot on the computer.
- Align and place the MicroSIM-card in the dedicated slot on the SIM card tray.
- Slide the SIM card tray back into the slot on the computer.
Next steps
- Install the microSD-card.
- Follow the procedure in after working inside your computer.
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