- Notes, cautions, and warnings
- Working on your computer
- Disassembly and reassembly
- Screw size list
- Recommended tools
- Subscriber Identification Module (SIM) card
- Base cover
- Battery
- PCIe Solid State Drive (SSD)
- Speaker
- Coin-cell battery
- WWAN card
- WLAN card
- Memory modules
- Heat sink
- Power connector port
- LED board
- Smart card module
- Touchpad
- Display Assembly
- Touch display panel
- Display Bezel
- Nontouch display panel
- Camera Microphone Module
- Display Hinge Caps
- System board
- Keyboard assembly
- Keyboard lattice and Keyboard
- Palm rest
- System specifications
- Supported operating systems
- Processor specifications
- System specifications
- Memory specifications
- Storage specifications
- Video specifications
- Audio specifications
- Battery specifications
- AC adapter specifications
- Docking options
- Port and connector specifications
- Communication specifications
- Camera specifications
- Touchpad specifications
- Display specifications
- Physical specifications
- Environmental specifications
- System Setup
- BIOS overview
- Entering BIOS setup program
- Navigation keys
- One time boot menu
- System setup options
- General screen options
- System Configuration screen options
- Video
- Security screen options
- Secure Boot screen options
- Intel software guard extensions screen options
- Performance screen options
- Power management screen options
- POST behavior screen options
- Manageability
- Virtualization support screen options
- Wireless screen options
- Maintenance screen
- System logs
- Updating the BIOS
- System and setup password
- Clearing CMOS settings
- Clearing BIOS (System Setup) and System passwords
- Troubleshooting
- Contacting Dell
Dell Latitude 7280 Owner's Manual
Installing WWAN card
- Insert the WWAN card into the connector on the system board.
- Connect the WWAN cables to the connectors on the WWAN card.
- Place the metal bracket and tighten the M2.0 x 3.0 screw to secure it to the computer.
- Connect the battery cable to the connector on the system board.
- Install the base cover.
-
Follow the procedure in
After working inside your computer.
NOTE The IMEI number can also be found on the WWAN card.
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