Installing Windows 7 from a USB stick

I found the steps from the below article:

http://www.intowindows.com/how-to-install-windows-7vista-from-usb-drive-detailed-100-working-guide/

 

Make sure your USB stick is big enough to accomodate the Windows 7 installation bits. And here below is the summary of steps and output on my own machine:

 

C:\Windows\system32>diskpart

 

Microsoft DiskPart version 6.1.7054

Copyright (C) 1999-2008 Microsoft Corporation.

On computer: MY-PC

 

DISKPART> list disk

 

  Disk ###  Status         Size     Free     Dyn  Gpt

  --------  -------------  -------  -------  ---  ---

  Disk 0    Online           37 GB      0 B

  Disk 1    Online          189 GB  5120 KB

  Disk 2    Online        15320 MB      0 B

 

DISKPART> select disk 2

 

Disk 2 is now the selected disk.

 

DISKPART> clean

 

DiskPart succeeded in cleaning the disk.

 

DISKPART> create partition primary

 

DiskPart succeeded in creating the specified partition.

 

DISKPART> select partition 1

 

Partition 1 is now the selected partition.

 

DISKPART> active

 

DiskPart marked the current partition as active.

 

DISKPART> format fs=ntfs

 

  100 percent completed

 

DiskPart successfully formatted the volume.

 

DISKPART> assign

 

DiskPart successfully assigned the drive letter or mount point.

 

DISKPART> exit

 

Leaving DiskPart...

 

C:\Windows\system32>e:        (E: drive is where the Windows 7 installation bits are located)

 

E:\>cd boot

 

E:\boot>dir

 Volume in drive E is GRC1CULFRER_EN_DVD

 Volume Serial Number is F0D7-C053

 

 Directory of E:\boot

 

03/22/2009  08:37 PM    <DIR>          .

03/22/2009  08:37 PM    <DIR>          ..

03/22/2009  08:37 PM           262,144 bcd

03/22/2009  08:37 PM         3,170,304 boot.sdi

03/22/2009  08:37 PM             1,024 bootfix.bin

03/22/2009  08:37 PM            97,280 bootsect.exe

03/22/2009  08:37 PM    <DIR>          en-us

03/22/2009  08:37 PM             4,096 etfsboot.com

03/22/2009  08:37 PM    <DIR>          fonts

03/22/2009  08:37 PM           484,928 memtest.exe

               6 File(s)      4,021,240 bytes

               4 Dir(s)               0 bytes free

 

E:\boot>bootsect.exe /NT60 G:

Target volumes will be updated with BOOTMGR compatible bootcode.

 

G: (\\?\Volume{396ea864-1e62-11de-a02a-000c76b0f5c0})

 

    Successfully updated NTFS filesystem bootcode.

 

Bootcode was successfully updated on all targeted volumes.

 

If "could not be locked" & “Access denied” error happens, try this command: bootsect.exe /NT60 G: /force

 

Then copy all files from DVD to USB, and there you go!