Bootice

Manual for creating a bootable USB drive (UEFI / GRUB):

BOOTICE is a Flash Drive Partitioning and Boot Sector Manipulation tool created by Pauly. Users might use it to quickly Partition and Format a USB Flash Drive from Windows. USB-FDD, USB-ZIP, and USB-HDD format options are available. Additionally the tool supports the ability to mark a partition active and make it bootable. When you have Bootice, move on to the next step. Add Tip Ask Question Comment Download. Step 2: Rebuild the Partition Table IMPORTANT.

Bootice

Run BootIce (is a part of the distribution)
choose the right USB flash drive (need be more than 2GB)

GithubBootice

Bootice.exe

Re-format the flash drive in the USB-HDD mode
(Optional, if the flash drive is allready USB-HDD, but it is necessary if the flash drive was used as a boot drive earlier):

  • BOOTICE is a powerful boot-related utility. 32-Bit also available.
  • Apr 08, 2018 Bootice is a small tool or utility which can modify/backup/restore the Master Boot Record (MBR), Partition Boot Record (PBR) of your Disk.It has both Graphical User Interface and Command Line Interface.It is an all in one tool and supports many boot managers.This tool was developed by Pauly.

Flash drive must be formated to FAT32 file system, and it needs to make active:

Set the MBR through BOOTICE (GRUB / BOOTMGR):
(Or install Windows NT6 MBR, boot WinPE5 menu only)
(It also can be useful for older BIOS, when GRUB4DOS loaded incorrectly)

Bootice

Set PBR through BOOTICE (BOOTMGR) :

Bootice

Extract all of AdminPE_UEFI.iso to the root of the USB drive,
using UltraISO or WinRAR.

Done!
P.S. when USB drive boot into the UEFI mode will load reFInd, and will be available MemTest86 for UEFI and UEFIMark.
In the case of Secure Boot (loading only signed UEFI loaders):
you must first switch UEFI loaders (you can switch it to another computer):
rEFInd to Microsoft BootManager: run [flash drive]: EFI Microsoft64.cmd.
Microsoft to rEFInd (return rEFInd loader): start [flash drive]: EFI rEFInd64.cmd

Bootice Download

There will also be displayed loaders from Linux and MacOSX (UEFI)
(if they are present in the system)

Bootice

To run PE on tables read the manual for running on the TabletPC
To run PE in UEFI mode (Secure Boot) read the manual for running in UEFI mode (Secure Boot) .