- Notes, cautions, and warnings
- Working inside your computer
- Removing and installing components
- Drivers and downloads
- System setup
- Troubleshooting
- Getting help and contacting Dell
Overview | ||
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Inspiron 5400 2n1 | ||
BIOS Version | Displays the BIOS version number. | |
Service Tag | Displays the Service Tag of the computer. | |
Asset Tag | Displays the Asset Tag of the computer. | |
Manufacture Date | Displays the manufacture date of the computer. | |
Ownership Date | Displays the ownership date of the computer. | |
Express Service Code | Displays the express service code of the computer. | |
Ownership Tag | Displays the ownership tag of the computer. | |
Signed Firmware Update | Displays whether the signed firmware update is enabled.
Default: Enabled |
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Battery | Displays the battery health information. | |
Primary | Displays the primary battery. | |
Battery Level | Displays the battery level. | |
Battery State | Displays the battery state. | |
Health | Displays the battery health. | |
AC Adapter | Displays whether an AC adapter is connected. If connected, the AC adapter type. | |
PROCESSOR | ||
Processor Type | Displays the processor type. | |
Maximum Clock Speed | Displays the maximum processor clock speed. | |
Minimum Clock Speed | Displays the minimum processor clock speed. | |
Current Clock Speed | Displays the current processor clock speed. | |
Core Count | Displays the number of cores on the processor. | |
Processor ID | Displays the processor identification code. | |
Processor L2 Cache | Displays the processor L2 Cache size. | |
Processor L3 Cache | Displays the processor L3 Cache size. | |
Microcode Version | Displays the microcode version. | |
Intel Hyper-Threading Capable | Displays whether the processor is Hyper-Threading (HT) capable. | |
64-Bit Technology | Displays whether 64-bit technology is used. | |
MEMORY | ||
Memory Installed | Displays the total computer memory installed. | |
Memory Available | Displays the total computer memory available. | |
Memory Speed | Displays the memory speed. | |
Memory Channel Mode | Displays single or dual channel mode. | |
Memory Technology | Displays the technology that is used for the memory. | |
DIMM_SLOT1 | Displays the memory configuration of DIMM SLOT1. | |
DIMM_SLOT2 | Displays the memory configuration of DIMM SLOT2. | |
DEVICES | ||
Panel Type | Displays the Panel Type of the computer. | |
Video Controller | Displays the integrate graphics information of the computer. | |
Video Memory | Displays the video memory information of the computer. | |
Wi-Fi Device | Displays the Wi-Fi device installed in the computer. | |
Native Resolution | Displays the native resolution of the computer. | |
Video BIOS Version | Displays the video BIOS version of the computer. | |
Audio Controller | Displays the audio controller information of the computer. | |
Bluetooth Device | Displays whether a Bluetooth device is installed in the computer. |
Boot Configuration | ||
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Boot Mode | ||
Boot Mode: UEFI only | Displays the boot mode of this computer. | |
Boot Sequence | Enables or disables Windows Boot Manager and UEFI Hard Drive.
By default, Windows Boot Manager is selected By default, UEFI Hard Drive is selected |
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Secure Boot | Enables secure boot using only validated boot software. | |
Enable Secure Boot | ||
Secure Boot Mode | ||
Advanced Boot Options | ||
Enable UEFI Network Stack | Enables or disables UEFI Network Stack.
Default: ON |
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UEFI Boot Path Security | Enables or disables the system to prompt the user to enter the Admin password when booting a UEFI boot path from the F12 boot menu.
Default: Always Except Internal HDD |
System Configuration | ||
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Date/Time | ||
Date | Sets the computer date in MM/DD/YYYY format. Changes to the date take effect immediately. | |
Time | Sets the computer time in HH/MM/SS 24-hour format. You can switch between 12-hour and 24-hour clock. Changes to the time take effect immediately. | |
Storage Interface | ||
Port Enablement | Enables the selected onboard drives.
Default: ON |
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SATA Operation | Configures operating mode of the integrated SATA hard drive controller.
Default: RAID On. SATA is configured to support RAID (Intel Rapid Restore Technology). |
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Drive Information | Displays the information of various onboard drives. | |
Enable SMART Reporting | Enables or disables Self-Monitoring, Analysis, and Reporting Technology (SMART).
Default: OFF |
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Enable Audio | Enables or disables all integrated audio controller.
Default: ON |
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Enable Microphone | Enables or disables microphone.
By default, Enable Microphone is selected. |
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Enable Internal Speaker | Enables or disables internal speaker.
By default, Enable Internal Speaker is selected. |
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USB Configuration | Enables or disables booting from USB mass storage devices such as external hard drive, optical drive, and USB drive.
By default, Enable USB Boot Support is selected. By default, Enable External USB Ports is selected. |
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Thunderbolt Adapter Configuration | ||
Enable Thunderbolt Technology Support | Enables or disables Thunderbolt Technology Support.
Default: ON |
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Enable Thunderbolt Boot Support | Enables or disables Thunderbolt Boot Support.
Default: OFF |
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EnableThunderbolt (and PCIe behind TBT) pre-boot modules | Enables or disables to allow or disallow PCIe devices to be connected through a Thunderbolt adapter during pre-boot.
Default: OFF |
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Miscellaneous Devices | Enables or disables various onboard devices. | |
Enable Camera | Enables or disables the camera.
By default, Enable Camera is selected. |
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Touchscreen | Enables or disables the touchscreen.
By default, Touchscreen is selected. |
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Enable Fingerprint Reader Device | Enables or disables the Fingerprint Reader Device.
By default, Enable Fingerprint Reader Device is selected. |
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Enable MediaCard | Enables to switch all media cards On/Off or set the media card to read-only state.
By default, Enable Secure Digital (SD) Card is selected. |
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Keyboard Illumination | Configures the operating mode of the keyboard illumination feature.
Default: Bright. Enable the keyboard illumination feature at 100% brightness level. |
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Keyboard Backlight Timeout on AC | Configures the timeout value for the keyboard when an AC adapter is connected to the computer. The keyboard backlight timeout value is only effect when the backlight is enabled.
Default: 10 seconds |
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Keyboard Backlight Timeout on Battery | Configures the timeout value for the keyboard when the computer is running on battery. The keyboard backlight timeout value is only effect when the backlight is enabled.
Default: 10 seconds |
Video | |||
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LCD Brightness | |||
Brightness on battery power | Sets the screen brightness when the computer is running on battery power.
Default: 50 |
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Brightness on AC power | Sets the screen brightness when the computer is running on AC power.
Default: 100 |
Security | ||
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Enable Admin Setup Lockout | Enables or disables the user from entering BIOS Setup when an Admin Password is set.
Default: OFF |
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Password Bypass | Bypass the System (Boot) Password and the internal hard drive password prompts during a system restart.
Default: Disabled |
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Enable Non-Admin Password Changes | Enables or disables the user to change the system and hard drive password without the need for admin password.
Default: ON |
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Non-Admin Setup Changes | ||
Enable UEFI Capsule Firmware Updates | Enables or disables BIOS updates through UEFI capsule update packages.
Default: ON |
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Absolute | Enables, disables or permanently disable the BIOS module interface of the optional Absolute Persistence Module service from Absolute Software.
Default: Enabled |
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TPM 2.0 Security On | Select whether or not the Trusted Platform Model (TPM) is visible to the OS.
Default: ON |
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PPI Bypass for Enable Commands | Enables or disables the OS to skip BIOS Physical Presence Interface (PPI) user prompts when issuing TPM PPI enabled and activate commands.
Default: OFF |
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PPI Bypass for Disable Commands | Enables or disables The OS to skip BIOS PPI user prompts when issuing TPM PPI Disable and Deactivate commands.
Default: OFF |
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PPI Bypass for Clear Commands | Enables or disables the operating system to skip BIOS Physical Presence Interface (PPI) user prompts when issuing the Clear command.
Default: OFF |
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Attestation Enable | Enables to control whether the TPM Endorsement Hierarchy is available to the OS. Disabling this setting restricts the ability to use the TPM for signature operations.
Default: ON |
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Key Storage Enable | Enables to control whether the TPM Endorsement Hierarchy is available to the OS. Disabling this setting restricts the ability to use the TPM for storing owner data.
Default: ON |
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SHA-256 | Enables or disables the BIOS and the TPM to use the SHA-256 hash algorithm to extend measurements into the TPM PCRs during BIOS boot.
Default: ON |
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Clear | Enables or disables the computer to clear the PTT owner information, and returns the PTT to the default state.
Default: OFF |
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TPM State | Enables or disables the TPM. This is the normal operating state for the TPM when you want to use its complete array of capabilities.
Default: Enabled |
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SMM Security Mitigation | Enables or disables additional UEFI SMM Security Mitigation protections.
Default: OFF NOTE: This feature may cause compatibility issues or loss of functionality with some legacy tools and applications.
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Intel SGX | Enables or disables the Intel Software Guard Extensions (SGX) to provide a secured environment for running code/storing sensitive information.
Default: Software Control |
Passwords | ||
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Enable Strong Passwords | Enables or disables strong passwords.
Default: OFF |
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Password Configuration | ||
Admin Password Min | Specify the minimum number of characters allowed for Admin password.
Default: 4 |
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Admin Password Max | Specify the maximum number of characters allowed for Admin password.
Default: 32 |
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System Password Min | Specify the minimum number of characters allowed for System password.
Default: 4 |
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System Password Max | Specify the maximum number of characters allowed for System password.
Default: 32 |
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Admin Password | Sets, Changes, or deletes the administrator (admin) password (sometimes called the "setup" password). | |
System Password | Sets, Changes, or deletes the system password. | |
Enable Master Password Lockout | Enables or disables the master password support.
Default: OFF |
Secure Boot | ||
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Enable Secure Boot | Enables or disables the computer to boos using only validated boot software.
Default: ON NOTE: For Secure Boot to be enabled, the computer needs to be in UEFI boot mode and the Enable Legacy Option ROMs option needs to be turned off.
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Secure Boot Mode | Selects the Secure Boot operation mode.
Default: Deployed Mode NOTE: Deployed Mode should be selected for normal operation of Secure Boot.
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Expert Key Management | ||
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Enable Custom Mode | Enables or disables the keys in the PK, KEK, db, and dbx security key databases to be modified.
Default: OFF |
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Custom Mode Key Management | Selects the custom values for expert key management.
Default: PK |
Performance | ||
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Multi-Core Support | ||
Active Cores | Changes the number of CPU cores available to the operating system. The default value is set to the maximum number of cores.
Default: All Cores |
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Intel SpeedStep | ||
Enable Intel SpeedStep Technology | Enables or disables the Intel SpeedStep Technology to dynamically adjust processor voltage and core frequency, decreasing average power consumption and heat production.
Default: ON |
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Enable C-State Control | Enables or disables the CPU's ability to enter and exit low-power states.
Default: ON |
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Intel Turbo Boost Technology | ||
Enable Intel Turbo Boost Technology | Enabled or disabled the Intel TurboBoost mode of the processor. If enabled, the Intel TurboBoost driver increases the performance of the CPU or graphics processor.
Default: ON |
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Intel Hyper-Threading Technology | ||
Enable Intel Hyper-Threading Technology | Enabled or disabled the Intel Hyper-Threading mode of the processor. If enabled, the Intel Hyper-Threading increases the efficiency of the processor resources when multiple threads run on each core.
Default: ON |
Power Management | ||
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Wake on AC | Enables the computer to turn on and go to boot when AC power is supplied to the computer.
Default: OFF |
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Wake on Dell USB-C Dock | Enables connecting a Dell USB-C Dock to wake the computer from Standby.
Default: ON |
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Auto On Time | Enables the computer to automatically power on for defined days and times.
Default: Disabled. The system will not automatically power up. |
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Block Sleep | Blocks the computer from entering Sleep (S3) mode in the operating system.
Default: OFF NOTE: If enabled, the computer will not go to sleep, Intel Rapid Start will be disabled automatically, and the operating system power option will be blank if it was set to Sleep.
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Battery Charge Configuration | Enables the computer to run on battery during power usage hours. Use the below options to prevent AC power usage between certain times of each day.
Default: Adaptive. Battery settings are adaptively optimized based on your typical battery usage pattern. |
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Enable Advanced Battery Charge Configuration | Enables Advanced Battery Charge Configuration from the beginning of the day to a specified work period. Advanced Battery Charged maximizes battery health while still supporting heavy use during the work day.
Default: OFF |
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Peak Shift | Enables the computer to run on battery during peak power usage hours.
Default: OFF |
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Wireless Radio Control | ||
Control WLAN radio | Enables to sense the connection of the computer to a wired network and subsequently disable the selected wireless radios (WLAN and/or WWAN). Upon disconnection from the wired network, the selected wireless radios are re-enabled.
Default: OFF |
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Wake on LAN | Enables or disables the computer to turn on by a special LAN signal.
Default: Disabled |
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Intel Speed Shift Technology | Enables or disables the Intel Speed Shift Technology support. Setting this option to enable allows the operating system to select the appropriate processor performance automatically.
Default: ON |
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Lid Switch | ||
Power On Lid Open | Enables the computer to power up from the off state whenever the lid is opened.
Default: ON |
Wireless | ||
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Wireless Device Enable | Enable or disable internal WLAN/Bluetooth devices.
By default, WLAN is selected. By default, Bluetooth is selected. |
POST Behavior | ||
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Numlock Enable | ||
Enable Numlock | Enables or disables Numlock when the computer boots.
Default: ON |
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Fn Lock | Enables or disables the Fn lock mode.
Default: ON |
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Lock Mode |
Default: Lock Mode Secondary. Lock Mode Secondary = If this option is selected, the F1-F12 keys scan the code for their secondary functions. |
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Warnings and Errors | Selects an action on encountering a warning or error during boot.
Default: Prompt on Warnings and Errors. Stop, prompt, and wait for user input when warnings or errors are detected. NOTE: Errors deemed critical to the operation of the computer hardware will always halt the computer.
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Enable Adapter Warnings | Enables or disables the computer to display adapter warning messages when adapters with too little power capacity are detected.
Default: ON |
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Enable Dock Warning Messages | Enables or disables dock warning messages.
Default: ON |
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Fastboot | Configures the speed of the UEFI boot process.
Default: Thorough. Performs complete hardware and configuration initialization during boot. |
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Extend BIOS POST Time | Configures the BIOS POST (Power-On Self-Test) load time.
Default: 0 seconds |
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Full Screen Logo | Enabled or disabled the computer to display full screen logo if the image match screen resolution.
Default: OFF |
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Mouse/Touchpad | Defines how the computer handles mouse and touchpad input.
Default: Touchpad and PS/2 Mouse. Leave the integrated touchpad enabled when an external PS/2 mouse is present. |
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Sign of Life | ||
Early Logo Display | Display Logo Sign of Life.
Default: ON |
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Early Keyboard Backlight | Keyboard Backlight Sign of Life.
Default: ON |
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MAC Address Pass-Through | Replaces the external NIC MAC address (in a supported dock or dongle) with the selected MAC address from the computer.
Default: System Unique MAC Address. |
Virtualization | ||
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Intel Virtualization Technology | Enables the computer to run a virtual machine monitor (VMM).
Default: ON |
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VT for Direct I/O | Enables the computer to perform Virtualization Technology for Direct I/O (VT-d). VT-d is an Intel method that provides virtualization for memory map I/O.
Default: ON |
Maintenance | ||
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Asset Tag | ||
Asset Tag | Creates a system Asset Tag that can be used by an IT administrator to uniquely identify a particular system. Once set in BIOS, the Asset Tag cannot be changed. | |
Service Tag | Displays the Service Tag of the computer. | |
BIOS Recovery from Hard Drive | Enables the computer to recover from a bad BIOS image, as long as the Boot Block portion is intact and functioning.
Default: ON NOTE: BIOS recovery is designed to fix the main BIOS block and cannot work if the Boot Block is damaged. In addition, this feature cannot work in the event of EC corruption, ME corruption, or a hardware issue. The recovery image must exist on an unencrypted partition on the drive.
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BIOS Auto-Recovery | Enables the computer to automatically recover the BIOS without user actions. This feature requires BIOS Recovery from Hard Drive to be set to Enabled.
Default: OFF |
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Start Data Wipe |
CAUTION: This Secure Wipe Operation deletes information in a way that it cannot be reconstructed.
If enabled, the BIOS will queue up a data wipe cycle for storage devices that are connected to the motherboard on the next reboot.
Default: OFF |
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Allow BIOS Downgrade | Controls flashing of the system firmware to previous revisions.
Default: ON |
System Logs | ||
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Power Event Log | ||
Clear POWER Event Log | Select keep or clear Power events.
Default: Keep |
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BIOS Event Log | ||
Clear Bios Event Log | Select keep or clear BIOS events.
Default: Keep |
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Thermal Event Log | ||
Clear Thermal Event Log | Select keep or clear Thermal events.
Default: Keep |
SupportAssist | ||
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Dell Auto OS Recovery Threshold | Controls the automatic boot flow for SupportAssist System Resolution Console and for Dell operating system Recovery tool.
Default: 2. |
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SupportAssist OS Recovery | Enables or disables the boot flow for SupportAssist operating system Recovery tool in the even of certain system errors.
Default: ON |
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BIOSConnect | Enables or disables cloud Service OS recover if the main operating system fails to boot with the number of failures equal to or greater than the value specified by the Auto OS Recovery Threshold setup option.
Default: ON |