- Notes, cautions, and warnings
- Working inside your computer
- Removing and installing components
- Recommended tools
- Screw list
- Major components of Latitude 9430
- Secure Digital (SD) Card
- SIM card tray
- Base cover
- Solid-state drive
- Wireless Wide Area Network (WWAN) Card
- System fan
- Heat sink
- Display assembly
- Battery
- Speakers
- Wireless Local Area Network (WLAN) Antenna module
- I/O daughter board
- Power button with fingerprint reader assembly
- System board
- USH daughter board
- Wireless Wide Area Network (WWAN) Antenna module
- Palm-rest assembly
- Drivers and downloads
- BIOS setup
- Keyboard shortcuts
- Troubleshooting
- Getting help and contacting Dell
Latitude 9430/Latitude 9430 2-in-1 Service Manual
Installing the USH daughter board
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following image indicates the location of the USH daughter board and provides a visual representation of the installation procedure.
Steps
- Connect the USH daughter board FPC cable from USH daughter board.
- Place the USH daughter board with the FPC cable in the slot on the system.
- Replace the two (M1.2x2.5) screws securing the USH daughter board to the palm-rest assembly.
- Adhere the USH daughter board FPC cable to the keyboard.
- Gently connect the power button with fingerprint reader FPC cable to the connector on the USH daughter board.
Next steps
- Install the system board .
- Install the I/O daughter board.
- Install the battery.
- Install the display assembly.
- Install the heat sink.
- Install the WWAN card.
- Install the base cover.
- Install the SIM card tray.
- Install the SD card.
- Follow the procedure in After working inside your computer.
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