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Windows USB Media Prep

  • To boot from an external UEFI USB flash drive, be sure to temporarily disable Secure Boot and enable CSM in your UEFI/BIOS firmware settings until the Windows installation is finished.

Windows 7+ Install from USB

Format and set active partition

list disk #Find USB device
select disk 1 #make sure this is a USB
create partition primary
select partition 1
format quick fs=fat32 

Copy install files to USB

  • you might need to reinsert usb to get drive to reconize
  • extract ISO files using 7zip or WinRAR to the usb drive

Make Windows 7 UEFI install USB

  1. Download and install 7-Zip (get it here
  2. Extract the files from DVD or ISO file
  3. Partition your USB Drive (optional) a. Open Command Window (CMD) as administrator b. diskpart c. list disk d. select disk NUMBER e. clean f. create Partition Primary g. select Partition 1 h. active i. format quick fs=FAT32 j. assign j. exit
  4. Copy files from DVD or ISO to USB Drive
  5. Make a directory “/efi/boot” on the USB Drive
  6. Go to “/source/install.wim” open archive with 7-zip a. In the archive go to “/1/Windows/boot/efi” b. Copy file bootmgfw.efi to “/efi/boot” on USB Drive
  7. Rename bootmgfw.efi to bootx64.efi in “/efi/boot”
  8. Copy Files from “/efi/microsoft/boot” TO “/efi/boot

Rufus Utility

  • Rufus is a utility that will make a bootable usb device from a ISO or Disc

windows/usb_install.txt · Last modified: 2015/03/28 10:36 by tschulz