How to Create UEFI Bootable USB Drive to Install Windows 7

To make a boot from a USB flash drive, the latter has to be formatted within the  FAT32 file system. An official Microsoft utility for creating bootable USB flash drives, Windows 7 USB/DVD obtain device, codecs a flash drive to the NTFS file system. So, a UEFI system gained’t boot from such a flash drive in native mode.

Let’s attempt to create a bootable USB flash drive with Windows 7 distribution for UEFI pc ourselves. We’ll want the next:

  1. USB flash drive (USB v2 or v3) with a capability of at the very least four GB;
  2. 64-bit Windows 7 distribution (32-bit Windows variations gained’t boot within the UEFI system). A distribution could possibly be within the type of the set up DVD or an ISO picture file.

Consider two methods to create a bootable UEFI flash drive for putting in Windows 7.


  • How to manually create a bootable UEFI USB flash drive with Windows 7 installer
  • Creating Windows 7 UEFI USB stick utilizing Rufus

How to manually create a bootable UEFI USB flash drive with Windows 7 installer

You can create a bootable UEFI flash drive with the right Windows distribution manually. The process described beneath is appropriate for superior customers, is carried out from the command line and permits you to absolutely management (and perceive) all of the steps within the course of of making a bootable USB flash drive.

Step-by-step information on how to create a boot Windows 7 flash drive for a UEFI system:

  1. Connect a USB flash drive to the corresponding PC port;
  2. Run the command immediate as an administrator;
  3. Run the DISKPART device by typing within the command immediate: Diskpart
  4. Display the checklist of all drives within the system:checklist disk
  5. Find the disk that corresponds to your USB flash drive (in our instance it’s Disk 2) and choose it:
    Select Disk 2
  6. Warning. The following command will fully take away all data and partitions on the USB flash drive, so it’s higher to ensure within the earlier step that you’ve got chosen your detachable USB machine, and never one of many pc’s exhausting drives.

    Remove all knowledge from the drive utilizing this command:clear

  7. Create a main partition:create partition main
  8. Make this partition energetic (a system quantity):energetic
  9. List the system volumes with this command:checklist quantity
  10. Select the partition you’ve got created: (In our instance, it’s Volume three.)choose quantity three
  11. Format the chosen partition with FAT32:format fs=fats32 fastNote. Unlike methods with BIOS, which permit booting from boot partitions with FAT, FAT32, exFAT or NTFS, a UEFI methods solely enable to boot from a bootloader situated on a boot drive formatted with the FAT32 file system.
  12. Assign a drive letter to the formatted partition (if Windows doesn’t assign a drive letter to an USB flash drive — see the ):assign
  13. Exit DISKPART:exit
  14. Copy the contents of your Windows 7 x64 set up disk to the USB flash drive that you’ve got ready. You can do it utilizing Windows Explorer, a favourite file supervisor or from the command immediate, for instance:xcopy d:* f: /s /e(the place d: is an set up DVD or mounted ISO picture containing a Windows 7 distribution, and f: is a letter assigned to the USB flash drive);
    Note. Since the utmost file dimension on the FAT32 file system shouldn’t exceed four GB, in some instances you gained’t have the option to copy the massive picture file set up.wim. The file dimension of set up.wim, perhaps greater than four GB, should you built-in into it , , and many others. In this case, you’ll have to cut up the set up.wim file into a number of information up to four GB in dimension (for instance, three GB information). To do that, you should use the command Dism /Split-Image:
    Dism /Split-Image /ImageFile:D:sourcesinstall.wim /SWMFile:c:tmpinstall.swm /FileMeasurement:3000
    Or utilizing the imagex device:
    imagex /cut up D:sourcesinstall.wim c:tmpinstall.swm 3000
    The ensuing information (set up.swm, install2.swm, install3.swm …) want to be copied to the USB flash drive into the listing F:sources. The Windows Installer through the set up course of will assemble the swm information and apply the complete wim picture to the disk.
  15. Go to f:efimicrosoftboot folder on the USB flash drive;
  16. Entirely copy its contents one degree up (to the F:efiboot listing);
  17. Copy the bootmgfw.efi file to the f:efiboot folder and rename it to bootx64.efi.Note. The UEFI atmosphere ought to go management to the bootx64.efi file. The file bootmgfw.efi may be copied from the put in Windows 7 x64 system (situated within the %windir%BootEFI folder). You can even get it utilizing 7ZIP archiver, for instance, from set up.wim within the distribution iso. You can discover it within the folder sourcesinstall.wim1WindowsBootEFIbootmgfw.efi.

    Note. Some motherboards require bootx64.efi to be moreover copied to the USB flash drive root; it has to have both the identical identify or shellx64.efi.

Creating Windows 7 UEFI USB stick utilizing Rufus

It is far simpler for novice customers to create bootable UEFI flash drive for putting in Windows utilizing the graphical interface of the favored Rufus utility. At the second, the Rufus three.three is out there on the developer’s web site The utility is sort of compact (about 1 MB), doesn’t require set up and is totally free. In addition, it really works a lot quicker than analogs.

Run the Rufus utility and specify the next settings:

  • Device: choose your USB flash drive;
  • Boot choice: specify the Windows 7 iso picture;
  • Partition scheme: GPT;
  • Target system: UEFI (non-CSM);
  • File system: FAT32.

Click START to begin recording a Windows 7 picture to an USB flash drive. After 10-15 minutes, your set up USB flash drive with Windows 7 for UEFI methods is prepared.

After the described procedures, you’ve got a USB flash drive, utilizing which Windows 7 may be put in on a UEFI system within the native mode (notice that, to set up the working system in UEFI mode, the exhausting disk of the pc should have a GPT partition format). More detailed process of Windows 7 set up in a UEFI system can be thought-about in subsequent article.

Tip. The process of creating Windows eight boot USB flash drive is a bit simpler. You can discover a detailed description .

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