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
Steps
1. Align and place the sensor board on the display back cover.
2. Connect the LED cable to the connector on the sensor board and close the latch.
Next steps
1. Install the display panel.
2. Install the display bezel.
3. Install the display assembly.
4. Install the wireless card.
5. Install the base cover.
6. Install the microSD card.
7. Follow the procedure in After working inside your computer.
Display hinges
Removing the display hinges
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Remove the microSD card.
3. Remove the base cover.
4. Remove the wireless card.
5. Remove the display assembly.
6. Remove the display bezel.
7. Remove the display panel.
About this task
The following images indicate the location of the display hinges and provide a visual representation of the removal procedure.
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Removing and installing components