- Notes, cautions, and warnings
- Working inside your computer
- Removing and installing components
- Recommended tools
- Screw list
- Major components of Latitude 7430
- microSIM-card tray
- Base cover
- M.2 solid-state drive (for clamshell computers)
- Removing the M.2 2230 solid-state drive (for computers shipped without a thermal plate)
- Installing the M.2 2230 solid-state drive (for computers shipped without a thermal plate)
- Removing the M.2 2230 solid-state drive (for computers shipped with a thermal plate)
- Installing the M.2 2230 solid-state drive (for computers shipped with a thermal plate)
- Removing the M.2 2280 solid-state drive
- Installing the M.2 2280 solid-state drive
- M.2 solid-state drive (for 2-in-1 computers)
- WWAN card
- Battery
- Heat-sink
- WLAN-antenna module
- Coin-cell battery
- Display assembly
- Audio daughter-board
- Speakers
- Smart card reader
- System board
- I/O daughter-board
- Power button with optional fingerprint reader
- Keyboard
- Palm-rest assembly
- Drivers and downloads
- BIOS setup
- Troubleshooting
- Handling swollen Lithium-ion batteries
- Dell SupportAssist Pre-boot System Performance Check diagnostics
- Built-in self-test (BIST)
- System-diagnostic lights
- Recovering the operating system
- Real-Time Clock (RTC Reset)
- Backup media and recovery options
- WiFi power cycle
- Drain residual flea power (perform hard reset)
- Getting help and contacting Dell
Latitude 7430/Latitude 7430 2-in-1 Service Manual
Removing the I/O daughter-board
Prerequisites
- Follow the procedure in Before working inside your computer.
- Remove the microSIM-card tray.
- Remove the base cover.
- Remove the M.2 2230 solid-state drive or the M.2 2280 solid-state drive, whichever applicable.
- Remove the
4G WWAN card or the
5G WWAN card, whichever applicable.
NOTE This procedure applies only to computers shipped with a WWAN card installed.
- Remove the 3-cell battery or the 4-cell battery, whichever applicable.
- Remove the heat-sink.
- Remove the system board.
About this task
CAUTION Remove the system board before removing the I/O daughter-board as a part of the I/O daughter-board is underneath the system board.
CAUTION Do not try to remove the I/O daughter-board along with the system board.
The following image indicates the location of the I/O daughter-board and provides a visual representation of the removal procedure.
Steps
- Remove the two screws (M2x4) that secure the I/O daughter-board to the palm-rest and keyboard assembly.
- Using a plastic scribe, pry the I/O daughter-board starting from the bottom-right side.
- Lift and remove the I/O daughter-board from the palm-rest and keyboard assembly.
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