- Notes, cautions, and warnings
- Working on your computer
- Technology and components
- Major components of your system
- Removing and installing components
- Recommended tools
- Secure Digital Card
- SIM Card
- Base cover
- Memory modules
- WLAN card
- WWAN card
- WWAN daughterboard
- Hard drive
- Coin-cell battery
- Battery
- Speakers
- Solid-state drive/Intel Optane memory module
- Removing the M.2 2280 Solid-state drive or Intel Optane memory—Optional
- Installing the M.2 2280 Solid-state drive or Intel Optane memory - Optional
- Removing the M.2 Solid-state drive bracket
- Installing the Solid-state drive bracket
- Removing the M.2 2230 Solid-state drive
- Installing the M.2 2230 Solid-state drive
- IO board
- Touchpad
- System fan
- Heat sink
- VGA daughterboard
- Power-button board
- System board
- Display assembly
- Display bezel
- Display panel
- Display cable
- Power-adapter port
- Camera
- Keyboard
- Palmrest
- System setup
- BIOS overview
- Entering BIOS setup program
- Navigation keys
- One Time Boot menu
- System setup
- Boot options
- System configuration
- Video screen options
- Security
- Passwords
- Secure boot
- Expert Key Management
- Performance
- Power management
- Wireless options
- Post behavior
- Virtualization support
- Maintenance
- System logs
- SupportAssist system resolution
- Updating the BIOS
- System and setup password
- Clearing CMOS settings
- Clearing BIOS (System Setup) and System passwords
- Troubleshooting
- Handling swollen rechargeable Li-ion batteries
- Dell SupportAssist Pre-boot System Performance Check diagnostics
- Built-in self-test (BIST)
- Diagnostic LED
- Battery status LED
- Recovering the operating system
- Real-Time Clock (RTC Reset)
- Backup media and recovery options
- Wi-Fi power cycle
- Drain residual flea power (perform hard reset)
- Getting help
Dell Latitude 3400 Service Manual
Post behavior
| Option | Description |
|---|---|
| Enable Numlock | The option specifies if the Numlock function should be enabled when the system boots. The option is set by default. |
| Enable Adapter Warnings | Allows you to enable or disable the system setup (BIOS) warning messages when you use certain power adapters.
|
| Extended BIOS POST Time | Allows you to create an additional preboot delay. Click one of the following options:
|
| Fastboot | Allows you to speed up the boot process by bypassing some of the compatibility steps. Click one of the following options:
|
| Fn Lock Options | Allows you to let hot key combinations Fn + Esc toggle the primary behavior of F1–F12, between their standard and secondary functions. If you disable this option, you cannot toggle dynamically the primary behavior of these keys.
Click one of the following options:
|
| Full Screen Logo | Allows you to display full screen logo, if your image matches screen resolution.
This option is not set by default. |
| Warnings and Errors | Allows you to select different options to either stop, prompt and wait for user input, continue when warnings are detected but pause on errors, or continue when either warnings or errors are detected during the POST process. Click one of the following options:
|
| MAC Address Pass-Through | This feature replaces the external NIC MAC address with the selected MAC address from the system. Click one of the following options:
|
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