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. Place the display assembly on the system. Align the screw holes on the display hinges with screw holes on the palm-rest
assembly.
2. Replace the four (M2.5x5) screws that secure the display hinges to the palm-rest assembly.
3. Close the display.
4. Route the WLAN antenna cables through the routing guide and adhere the tape to secure the cables to the system board.
5. Route the display and eDP cable through the routing guide on the system board.
6. Connect the eDP cable to the connector on the system board.
7. Connect the display cable to the connector on the system board.
8. Adhere the tape that secures the display cable to the system board.
9. Connect the IR camera cable from its connector on the system board (for models shipped with an IR camera).
10. Connect the touch screen cable from its connector on the system board (for models shipped with a touch screen).
11. Align the screw holes on the eDP cable bracket with the screw holes on the system board.
12. Replace the two screws (M2x3) that secure the eDP cable bracket to the system board.
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Removing and installing components