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 thermal module attached in order to simplify the procedure
and preserve the thermal bond between the system board and heat-sink. In order to do so, technicians must also remove
the two (M2x5) screws to secure the system fan to the system board.
1. Slide the system board to make the USB Type-C connector to toe-in to the hinge saddle and align the screw holes on the
system board with the screw holes on the palm-rest assembly.
2. Replace the four (M2x3) screws to secure the system board to the palm-rest assembly.
3. Align and place the USB Type-C bracket on the system board.
4. Replace the three (M2x5) screws to secure the USB Type-C bracket to the system board.
5. Connect the USH board cable to the connector on the system board and close the latch to secure the cable to the system
board.
6. Connect the touchpad cable to the connector on the system board and close the latch to secure the cable to the system
board.
7. Route the coin-cell battery cable under the system board and adhere the coin-cell battery to the palm-rest assembly.
8. Route the display and eDP cable through the routing guide on the system board.
9. Connect the eDP cable to the connector on the system board.
10. Connect the display cable to the connector on the system board.
11. Adhere the tape that secures the display cable to the system board.
12. Align the screw holes on the eDP cable bracket with the screw holes on the system board.
13. Replace the two (M2x3) screws to secure the eDP cable bracket to the system board.
Next steps
1. Install the assembly inner frame.
2. Install the heat sink.
3. Install the memory module.
4. Install the WLAN card.
5. Install the WWAN card.
6. Install the M.2 2280 solid-state drive or M.2 2230 solid-state drive.
7. Install the 3-cell battery or 4-cell battery.
8. Install the base cover.
9. Install the microSIM card.
10. Install the microSD card.
11. Follow the procedure in after working inside your computer.
Power-button board
Removing the power-button board
Prerequisites
1. Follow the procedure in before working inside your computer.
2. Remove the microSD card.
3. Remove the microSIM card.
4. Remove the base cover.
5. Remove the 3-cell battery or 4-cell battery.
6. Remove the M.2 2280 solid-state drive or M.2 2230 solid-state drive.
7. Remove the WLAN card.
8. Remove the WWAN card.
9. Remove the memory module.
10. Remove the assembly inner frame.
11. Remove the system board.
Removing and installing components
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