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
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
NOTE: This procedure applies only to computers shipped with a sensor board.
The following image indicates the location of the sensor board and provide a visual representation of the removal procedure.
Steps
1. Open the latch and disconnect the LED cable from connector on the sensor board.
2. Gently lift the sensor board away from the display back cover.
Installing the sensor board
About this task
The following image indicates the location of the sensor board and provide a visual representation of the removal procedure.
Removing and installing components
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