Latitude 3120/Latitude 3120 2-in-1 Service Manual

POST behavior

Table 1. POST behavior
Option	Description
Adapter Warnings	Allows you to enable or disable the system setup (BIOS) warning messages when you use certain power adapters. The Enable Adapter Warnings option is enabled by default.
USB-C Warnings	Allows you to choose one of the following two methods to enable the keypad that is embedded in the internal keyboard. The Enable Dock Warning Messages option is enabled by default.
Keypad (Embedded)	Allows you to choose whether the system displays warning messages for USB-C devices. Fn Key Only — the keypad is enabled when you hold down the Fn key (enabled by default). By Numlock — the keypad is enabled when 1) the Numlock LED is on, and 2) no external keyboard is detached (disabled by default). NOTE When Setup is running, this option has no effect. Setup works in the Fn Key Only mode.
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 (enabled by default) Lock Mode Disable/Standard — The F1-F2 keys behave as function keys. Holding Fn is required to access their secondary functions (enabled by default). Lock Mode Enable/Secondary — The F1-F2 keys control the secondary functions. Fn is required to access the standard functions (disabled by default).
Fastboot	Allows you to speed up the boot process by bypassing some of the compatibility steps. The options are: Minimal — reduces boot time by skipping certain hardware and configuration initialization during boot (enabled by default). Thorough — performs complete hardware and configuration initialization during boot (disabled by default). Auto — allows the BIOS to decide configuration initialization performed during boot (disabled by default).
Extended BIOS POST Time	Allows you to create an additional pre-boot delay. This allows the user to see POST status messages. The options are: 0 seconds (enabled by default) 5 seconds 10 seconds
Full Screen Log	Allows you to display full screen logo if your image matches the screen resolution. TheEnable Full Screen Logo option is disabled by default.
Warnings and Errors	Allows the boot process to only pause when warnings or errors are detected, rather than stop. Users may select to have the Power On Self Test (POST) process either stop, prompt and wait for the user input when warnings/errors are detected, or continue when warnings are detected but pause on errors, or continue when either warnings or errors are detected during the POST process. Prompt on warnings and errors (enabled by default) Continue on warnings (disabled by default) Continue on warnings and errors (disabled by default) NOTE The errors deemed critical to the operation of the system hardware will always halt the system.