dist

c:\Windows\System32\sysprep\sysprep.exe

Select "Enter System Out Of Box Experience (OOBE)"
Select "Generalize"
Select "Shutdown"

Start the reference computer with PE CD

imagex /capture c: c:\win7.wim "Win7 Install" /compress fast /verify

net use n: \\distributionServer\share\

copy c:\win7.wim n:\

Start the target computer with PE CD

diskpart  
select disk 0
clean
create partition primary size=300
select partition 1
format fs=ntfs label="System"
assign letter=S active
create partition primary
select partition 2
format fs=ntfs label="Windows"
assign letter=C
exit
Copy the image from Distribution Server to the local drive of the target computer net use n: \\distributionServer\share copy n:\win7.wim c:

Imagex.exe /apply c:\win7.wim 1 c:

BCDBoot utility to initialize the Boot configuration Data (BCD) store

c:\windows\system32\bcdboot c:\windows