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
Installing the power button
About this task
The following image indicates the location of the power-button board and provide a visual representation of the installation
procedure.
Steps
1. Align and place the power-button board on the palm-rest assembly.
2. Replace the two (M2x2.5) screws that secure the power-button board to the palm-rest assembly.
NOTE: This step applies to both models with and without the fingerprint reader.
Next steps
1. Install the system board.
2. Install the heat sink.
3. Install the assembly inner frame.
4. Install the battery.
5. Install the memory modules.
6. Install the wireless card.
7. Install the 2280 solid-state drive or 2230 solid-state drive.
8. Install the base cover.
9. Install the microSD card.
10. Follow the procedure in After working inside your computer.
Removing and installing components
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