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
NOTE: The display bezel is adhered to the display panel with adhesive. Insert a plastic scribe into the recesses near both
hinge caps to start the prying process to release the display bezel. Pry along the outside edge of the display bezel and work
your way around the entire display bezel until the display bezel is separated from the display cover.
CAUTION: Carefully pry and remove the display bezel to minimize the risk of display panel damages.
1. Insert a plastic scribe into the recesses near both hinge caps to start the prying process to release the display bezel.
2. Pry along the outside edge of the display bezel and work your way around the entire display bezel until the display bezel is
separated from the display cover.
3. Lift the display bezel from the display assembly.
Installing the display bezel
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following image indicates the location of the display bezel and provides a visual representation of the installation procedure.
68 Removing and installing components