Procedure

1. Using the links in the following Sophos KB article, download the required version of the SGN WinPE to match that of the client running on the target machine. http://www.sophos.com/support/knowledgebase/article/108805.html
2. Insert a USB drive into a Windows 7 machine and open a command prompt
3. From the command prompt type DISKPART and press enter
4. From the diskpart> menu type LIST DISK and and press enter
5. At this point you should see the USB stick listed. In the example below ours is ‘‘‘‘Disk 1’’’’ (your may be different, so look at the disk size)

C:\>diskpart

Microsoft DiskPart version 6.1.7601
Copyright (C) 1999-2008 Microsoft Corporation.
On computer: ***********

DISKPART> list disk

  Disk ###  Status         Size     Free     Dyn  Gpt
  --------  -------------  -------  -------  ---  ---
  Disk 0    Online          223 GB  1024 KB
  Disk 1    Online         1879 MB      0 B

6.     Now type the following, entering a carriage return on each line:

• select disk 1
• clean
• create partition primary
• select partition 1
• active
• format fs=fat32 quick
• assign
• exit

 Example:

DISKPART> select disk 1

Disk 1 is now the selected disk.

DISKPART> clean

DiskPart succeeded in cleaning the disk.

DISKPART> creat 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=fat32 quick

  100 percent completed

DiskPart successfully formatted the volume.

DISKPART> assign

DiskPart successfully assigned the drive letter or mount point.

DISKPART> exit

Leaving DiskPart...

C:\>

7.    Close the DOS window

8.    Using WinRAR (from rarsoft.com), extract the contents of the SGN WinPE ISO into the root of the USB stick.

9.    You’’’’re done! – boot up from the USB. Remembering to set the options in the BIOS to boot up from USB if you BIOS allows it)

Enjoy!

John