Service Manual
Table Of Contents
- Latitude 5430 Service Manual
- Contents
- Working inside your computer
- Removing and installing components
- Recommended tools
- Screw list
- Major components of Latitude 5430
- SIM card tray
- MicroSD card
- Base cover
- WLAN card
- WWAN card
- Solid-state drive
- Memory modules
- Battery
- Battery cable
- Assembly inner frame
- LED board
- Heat sink
- Speakers
- System board
- Power-button board
- Smart card reader
- Keyboard assembly
- Display assembly
- Display bezel
- Display panel
- Camera/microphone module
- eDP/display cable
- Sensor board
- Display hinges
- Display back cover
- Palm-rest assembly
- Dummy SIM-card slot filler
- 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)
- Auto RTC reset
- Backup media and recovery options
- WiFi power cycle
- Drain residual flea power (perform hard reset)
- Getting help and contacting Dell
Steps
NOTE: The system board can be removed and installed with the heat sink attached in order to simplify
the procedure and preserve the heat sink between the system board and heat-sink. In order to do so,
technicians must also remove the two (M2x5) screws that secure the system fan to the system board.
NOTE: For the models shipped with a fingerprint reader, disconnect the fingerprint reader cable from the connector on the
system board before removing the system board from the palm-rest assembly.
1. Remove the two (M2x3) screws that secure the eDP cable bracket to the system board.
2. Lift the eDP cable bracket away from the system.
3. Peel the tape that secures the display cable to the system board.
4. Using the pull tab, disconnect the display cable from the connector on the system board.
5. Peel the coin-cell battery from the palm-rest assembly.
6. Open the latch and disconnect the USH board cable from the connector on the system board.
7. Open the latch and disconnect the touchpad cable from the connector on the system board.
8. Remove the three (M2x5) screws that secure the USB Type-C bracket to the system board.
9. Lift the USB Type-C bracket off the system board.
10. Remove the four (M2x3) screws that secure the system board to the palm-rest assembly and keyboard assembly.
11. Lift the system board off the palm-rest assembly and keyboard assembly.
Installing the system 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 system board and provides a visual representation of the installation procedure.
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Removing and installing components