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 14. System setup options—System Management menu (continued)
System Management
MEBx Hotkey Allows the user to use Ctrl+P hotkey to access MEBx
USB Provision When enabled, Intel AMT can be provisioned using the local provisioning file
through a USB storage device
Table 15. System setup options—Keyboard menu
Keyboard
Numlock Enable Enable or disable the Numlock function when the computer boots.
By default, the option is enabled.
Fn Lock Options By default, the Fn lock option is enabled.
Keyboard Illumination Enables to change the keyboard illumination settings.
By default, the Bright option is enabled.
Keyboard Backlight Timeout on AC Set the timeout value for the keyboard backlight when an AC adapter is
connected to the computer.
By default, the 10 seconds option is enabled.
Keyboard Backlight Timeout on
Battery
Set the timeout value for the keyboard backlight when the is running only on
battery power.
By default, the 10 seconds option is enabled.
Device Configuration Hotkey Access Manages whether you can access device configuration screens through
hotkeys during computer startup.
By default, the option is enabled.
Table 16. System setup options—Pre-boot Behavior menu
Pre-boot Behavior
Adapter Warnings
Enable Adapter Warnings Enable or disable the warning messages during boot when the adapters with
less power capacity are detected.
By default, the option is enabled.
Warning and Errors Enable or disable the action to be done when a warning or error is encountered.
By default, the Prompt on Warnings and Errors option is enabled.
Fastboot Enable to set the speed of the boot process.
By default, the Minimal option is enabled.
Extend BIOS POST Time Set the BIOS POST time.
By default, the 0 seconds option is enabled.
MAC Address Pass-Through Replaces the external NIC MAC address with the selected MAC address from
the computer.
By default, the System Unique MAC Address option is enabled.
Table 17. System setup options—Performance menu
Performance
Multi Core Support
Active Cores Enables to change the number of CPU cores available to the operating system.
By default, the All Cores options is enabled.
BIOS setup 109