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
Table 1. Screw list (continued)
Component Screw type Quantity Screw image
eDP cable/bracket M2x3 2
USB Type-C support bracket M2x5 3
System board M2x3 4
Power button M2x2.5 2
Smart card reader M2x2.5 3
LED board M2x3 1
Keyboard assembly M2x2 18
Keyboard bracket M2x2 5
Display assembly M2.5x5 (display hinges to
palm-rest assembly)
4
Display hinge M2.5x3 (display hinges to
display back cover)
4
Display panel M2.5x3 2
Major components of Precision 3470
The following image shows the major components of Precision 3470.
Removing and installing components
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