How to Boot from USB in UEFI BIOS

UEFI (Unified Extensible Firmware Interface) is a new type of BIOS including lots of enhancements. And it's a practice that mainly come with Windows 8 and 10. Here you'll know how to boot from USB with 4WinBoot when running UEFI.

The settings for different motherboard and BIOS manufacturers are slightly different. Before you continue, insert the USB Flash Drive on your computer.

1.Aptio Setup Utility

Most Dell machines run AMI BIOS. To access the BIOS, press the Delete button.

In the BIOS, select Boot option. Then disable Secure Boot Control, enable Load Legacy OPROM, and change Boot Mode to Legacy. Change the 1st Boot Device to USB Storage Device. Press F10 to save.

aptio bios - Windows Boot Genius guide

2.Hewlett-Packard Setup Ultility

This is exclusive to HP machines.

Press F2 to access the BIOS. Select Security from the drop-down list, select Secure Boot Configuration, in the pop-up window, enable Legacy Boot, and disable Secure Boot. Press F10 to save.

hewlett packard bios security - Windows Boot Genius guide

However, you can't set the boot order here. You must restart your PC and press F9. Then you can see the Boot Order window, in Legacy Boot Source, choose USB Floppy.

hewlett packard bios storage - Windows Boot Genius guide

3.ThinkPad Setup

This is exclusive to Lenovo machines.

Click F2 to access the BIOS. In the Security option, disable Secure Boot.

In the Startup option, select Both for UEFI/Legacy Boot and Yes for CSM Support. Press F10 to save.

thinkpad bios - Windows Boot Genius guide

4.InsydeH20 Setup Utility

Most computer models including Acer, Toshiba, Samsung, Sony, Gateway and others use this.

Press F2 to access the BIOS, in the Security option, disable Secure Boot. In the Boot option, click Boot Mode, in the pop window, select Legacy BIOS. In Boot Priority order, change USB HDD as the first boot order. Press F10 to save.

insydeh20 bios - Windows Boot Genius guide

5.Asus/Gigabyte UEFI BIOS Utility

This is exclusive to Asus machines.

Press F2 to access the BIOS, choose the Boot option, and click Boot Device Control. In the pop-up window, select Only Legacy OpROM.

set asus bios - Windows Boot Genius guide

Scroll through the list, disable Secure Boot and enable CSM. In Boot Option Priorities, change USB as the #1 boot option. Then press F10 to save.

asus bios secure boot - Windows Boot Genius guide

To boot your computer from the USB drive in basic BIOS, you can refer to this article .

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