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
Next steps
1. Install the assembly inner frame.
2. Install the battery.
3. Install the base cover.
4. Install the microSD card.
5. Follow the procedure in After working inside your computer.
System board
Removing the system board
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Remove the microSD card.
3. Remove the base cover.
4. Remove the 2280 solid-state drive or 2230 solid-state drive.
5. Remove the battery.
6. Remove the wireless card.
7. Remove the assembly inner frame.
8. Remove the heat sink.
About this task
The following image indicates the connectors on your system board.
Figure 1. System board connectors
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Removing and installing components