Harun’s Microsoft Blog

Create Bootable USB Flash Drive and Install Windows 7 or Windows Server 2008 R2

by on Apr.22, 2009, under WINDOWS 7

Prerequisites/Recommendations for the USB flash drive:

  1. A fast one :) around 25 MB read and 14 MB write
  2. Only 1 partition on the flash drive, if there are multiple partitions this guide might not work for u.

Start a command promt (CMD.EXE)  and type the commands below in the following order (OBS: Your USB memory stick will be formated, if you have data on it that you want to keep than you should take a backup copy of it somewhere else)

  1. diskpart
  2. list disk
  3. “Check the size of the USB disk from the list, to determin your USB disk number, in my case it is Disk 1, so I am going to select that one in the next step (Be very carefull by selecting right disk so that you dont destroy one of your existing hard drives)
  4. select disk 1
  5. clean
  6. create partition primary
  7. select partition 1
  8. active
  9. format fs=fat32  quick
  10. assign
  11. exit

Copy Windows 7’s DVD ROM content to the Flash Drive
Simply issue the following command to start copying all the content from the Windows 7 DVD to the USB flash drive.

The command below assuems that your Windows 7 DVD is on the D: Drive, and your USB  on the E: Drive

  1. xcopy d:\*.* /s/e/f e:\

Now u have a bootable USB Flash drive that you can use to install PCs with Windows 7,  Boot up ur PC and choose Boot alternative to Boot your PC on the USB and install Windows 7 manually.

The installation can be automated by using the Windows Automated Installation Kit.


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