Service Manual
Table Of Contents
- Precision 3470 Service Manual
- Contents
- Working inside your computer
- Removing and installing components
- Recommended tools
- Screw list
- Major components of Precision 3470
- Micro Secure Digital (SD) Card
- Base cover
- Wireless card
- Solid-state drives
- Memory
- Battery
- Battery cable
- Assembly inner frame
- LED board
- Heat sink
- Speakers
- System board
- Power button with fingerprint reader
- Smart card reader
- Coin-cell battery
- Keyboard assembly
- Keyboard bracket
- Display assembly
- Display bezel
- Display panel
- Camera
- eDP/display cable
- Sensor board
- Display hinges
- Display back cover
- Dummy SIM-card slot filler
- 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)
- Auto RTC reset
- Backup media and recovery options
- WiFi power cycle
- Drain residual flea power (perform hard reset)
- Getting help and contacting Dell
About this task
The following images indicate the location of the 4-cell (64 Wh) battery and provide a visual representation of the installation
procedure.
Steps
1. Align the screw holes on the 4-cell battery with the screw holes on the palm-rest and keyboard assembly.
2. Replace the two screws (M2x3) that secure the 4-cell battery to the palm-rest and keyboard assembly.
3. Connect the battery cable to the connector on the system board.
Next steps
1. Install the microSD card.
2. Install the base cover.
3. Follow the procedure in After working inside your computer.
Battery cable
Removing the 4-cell battery cable
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Remove the microSD card.
3. Remove the base cover.
4. Remove the battery.
NOTE:
If battery is disconnected from system board for service, then there is a delay during system boot as the system
undergoes RTC battery reset.
About this task
The following images indicate the location of the battery cable and provide a visual representation of the removal procedure.
Removing and installing components
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