Vostro 5501 Setup and specifications guide

Pre-boot behavior

Table 1. Pre-boot behaviorThe table describes the pre-boot options.
Option Description
Adapter Warnings

This option displays warning messages during boot when adapters with little power capacity are detected.

  • Enable Adapter Warnings—enabled by default
Warnings and Errors

This option causes the boot process to only pause when warnings and errors are detected rather than stop, prompt, and wait for user input. This feature is useful where the system is being remotely managed.

Select one of the following options:

  • Prompt on Warnings and Errors—enabled by default
  • Continue on Warnings
  • Continue on Warnings and Errors
NOTE: Errors deemed critical to the operation of the system hardware always stop the system.
USB-C Warnings

This option enables or disables dock warning messages.

Enable Dock Warning Messages — enabled by default.


This option allows you to configure the speed of UEFI boot process.

Select one of the following options:

  • Minimal
  • Thorough—enabled by default
  • Auto
Extend BIOS POST Time

This option allows you to configure the BIOS POST load time.

Select one of the following options:

  • 0 seconds—enabled by default.
  • 5 seconds
  • 10 seconds

This option defines how the system handles mouse and touchpad input.

Select one of the following options:

  • Serial Mouse
  • PS/2 Mouse
  • Touchpad and PS/2 Mouse—enabled by default.

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