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Latitude 5591 Setup and Specifications Guide

POST Behavior screen options

Adapter Warnings
Allows you to enable or disable the system setup (BIOS) warning messages when you use certain power adapters.

Default setting: Enable Adapter Warnings

Keypad (Embedded)
Allows you to choose one of two methods to enable the keypad that is embedded in the internal keyboard.
  • Fn Key Only: This option is enabled by default.
  • By Numlock
NOTE: When setup is running, this option has no effect. Setup works in Fn Key Only mode.
Allows you to define how the system handles mouse and touch pad input. The options are:
  • Serial Mouse
  • PS2 Mouse
  • Touchpad/PS-2 Mouse: This option is enabled by default.
Numlock Enable
Allows you to enable the Numlock option when the computer boots.

Enable Network. This option is enabled by default.

Fn Key Emulation
Allows you to set the option where the Scroll Lock key is used to simulate the Fn key feature.

Enable Fn Key Emulation (default)

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. The available options are:
  • Fn Lock. This option is selected by default.
  • Lock Mode Disable/Standard
  • Lock Mode Enable/Secondary
Allows you to speed up the boot process by bypassing some of the compatibility steps. The options are:
  • Minimal
  • Thorough (default)
  • Auto
Extended BIOS POST Time
Allows you to create an additional preboot delay. The options are:
  • 0 seconds. This option is enabled by default.
  • 5 seconds
  • 10 seconds
Full Screen Logo
This option will display full screen logo if your image match screen resolution
  • Enable Full Screen Logo
Warnings and Error
This option will cause the boot process to only pause when warnings or errors are detected.
  • Prompt on Warnings and Errors This option is enabled by default.
  • Continue on Warnings
  • Continue on Warnings and Errors
NOTE: Error deemed critical to the operation of the system hardware will always halt the system.

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