How to use U disk/Mobile hard disk to install EFI boot mode win8.1 system

EFI start has been more and more respected, especially notebook computers, most of the recent mainstream motherboards are generally support UEFI start, the so-called UEFI start is the use of U disk to make the EFI boot disk, this way to start faster and more secure, about the UEFI start, The author has done in front of the article, if necessary, please check the relevant reading below, today is also the United States network mainly to explain how to install EFI launched the win8.1 system.

Before you begin, declare my environment:

ASUS notebook, two disk, one is mSATA 64G SSD (need reformatting), one is 1TB 2.5-inch common mechanical hard disk, first SSD solid-state hard disk format into GTP, used to install win8.1 system, mechanical hard drive data intact.

The specific installation steps are as follows:

Installation Step one, decompression original win8.1 image file to a mobile hard disk in a format of FAT32 primary partition (read-write EFI files can only be through the FAT32 format) root directory, the prior download good Shell.efi also placed in the root directory.

Install step two, reboot the computer, enter the BIOS, select launch EFI file from .... option, the computer automatically reads and writes the mobile hard drive into the shell command line.

Install step three, enter FS0 (first hard drive) or FS1 (0 or 1 is the hard drive number,), into the mobile hard drive: input dir can view the file directory, enter the correct words will see the win8.1 unpacked those folders;

Input CD EFI into the EFI directory, enter the CD boot into the Efiboot directory, enter the Bootx64.efi boot installer, enter the system installation interface.

Installation step four, enter the installation key into the Select installation disk interface, press SHIFT+F10 into the command line mode, partition and format the hard disk.

Enter the DiskPart command, and then enter the list Disk command can list the current computer's hard disk, according to the size of the corresponding disk, the SSD corresponds to number No. 0, so enter select Disk 0, select the operation;

Enter the clean command to clear the disk, enter convert GPT into a GPT partition, and then create an EFI partition 200Mb and an MSR partition 128Mb:

Create partition EFI size=200//boot system

Format Quick Fs=fat32//formatted as FAT32

Create partition MSR size=128//Microsoft Reserved Partition

create partition primary//The rest is created as a primary partition to install the system

Install step five, enter the installation interface again, select the third partition of SSD installation, step by step is successful.