Dell Inspiron 14 5440 Owner's Manual page 153

Table 41. System setup options—Keyboard menu (continued)
Keyboard
Lock Mode
Keyboard Illumination
Keyboard Backlight Timeout on AC
Keyboard Backlight Timeout on Battery Sets the timeout value for the keyboard backlight when the computer is running
Table 42. System setup options—Pre-boot Behavior menu
Preboot Behavior
Adapter Warnings
Enable Adapter Warnings
Warnings and Errors
USB-C Warnings
Enable Dock Warning Messages
Extend BIOS POST Time
Sign of Life
Early Keyboard Backlight
Table 43. System setup options—Virtualization menu
Virtualization Support
Intel Virtualization Technology
Enable Intel Virtualization Technology (VT)
VT for Direct I/O
By default, the Lock Mode Secondary option is enabled. With this option, the
F1-F12 keys scan the code for their secondary functions.
Configures the operating mode of the keyboard illumination feature.
By default, the Bright option is selected. Enables the keyboard illumination
feature at 100% brightness level.
Sets the timeout value for the keyboard backlight when an AC adapter is
connected to the computer.
By default, the 1 minute option is selected.
only on the battery power. The keyboard backlight timeout value is only effective
when the backlight is enabled.
By default, the 1 minute option is selected.
Enables the warning messages during boot when the adapters with less power
capacity are detected.
By default, the Enable Adapter Warnings option is enabled.
Enables or disables the action to be taken when a warning or error is
encountered.
By default, the Prompt on Warnings and Errors option is selected. Stop,
prompt, and wait for user input when warnings or errors are detected.
NOTE: Errors deemed critical to the operation of the computer hardware
stop the functioning of the computer.
Enables the warning messages during boot when the USB-C adapters with less
power capacity are detected.
By default, the Enable Dock Warning Messages option is enabled.
Sets the BIOS POST (Power-On Self-Test) load time.
By default, the 0 seconds option is selected.
Keyboard Backlight Sign of Life.
By default, the Early Keyboard Backlight option is enabled.
When enabled, the computer can run a Virtual Machine Monitor (VMM).
By default, the Enable Intel Virtualization Technology (VT) option is enabled.
BIOS Setup 153