Use tools:
1, first the image file decompression, put in addition to C: disk in any one of the partitions.
2, more than 256M u disk one, because the need to install the PE system.
3, the original WIN7 system image file.
4, the computer should be able to start from U disk.
U disk installation Original Win7 detailed steps method:
1, the first boot from the U disk system, about how to make U disk system, please refer to the following reference materials.
2, after the start will see the following interface, double-click the "Windows Installer."
3, select "Windows vista/2008/2008 R2/7".
4, stand-alone "browsing" to select files.
5, select in front of the extracted files, select the letter (I extracted it to the e-disk, so the choice of e-disk).
6, double click "Sources" to find "Install.win" and open.
7, then in the following window to select the win7 system version you want to install, here I choose the flagship version, stand-alone "next."
8, click the first Disk "C" and select "Install system on this partition" and "Take this partition as boot partition" and click Next. Then continue to click Next.
9, the following select "system disk letter specified as" and "this system is installed on the USB mobile hard drive" click Next.
10, a stand-alone "installation system", and then click "Yes", waiting for the end of the interface, and then the new boot system will automatically install, until there is an operable interface can be set up the system, Setup completed, system installation to the end.
Such a detailed u disk installation original Win7 strategy, I believe that even small white can understand it. Just follow the steps above to do it step by step, installing Win7 what's completely easy. There are more ways to install the system, here you can find OH. Hopefully this detailed strategy will bring useful help to the novice.