In windows 7,a system repair disc can be used to boot your PC,it contains Windows system recovery tools that can help you recover Windows from a serious error or restore your computer from a system image.
It’s very easy to create a system repair disk on CD/DVD in windows 7,but below steps will show you how to create windows 7 system repair disk on usb disk.
Requirements:
- A usb stick/disk with more than 1G free disk space
- Administrator privilege
1.Inset your usb stick to you PC and check it’s drive letter.In this example my usb stick’s drive letter is K:
2.Open an Elevated Command Prompt in windows 7
3.In your command prompt window,type in below commands(Press Enter after each command)
cd c:\recovery dir /a:sh cd GUID_DIR (Normally there is only one directory under c:\recovery) xcopy /h boot.sdi k:\boot\ echo F|xcopy /h winre.wim k:\sources\boot.wim cd c:\windows\boot xcopy /h dvd\pcat\bcd k:\boot\ xcopy /h dvd\pcat\en-us\bootfix.bin k:\boot\ xcopy /h pcat\bootmgr k:\ attrib -r -s -h /S k:\* |
Note:Please replace “k:” with your usb’s drive letter


4.Done,now you can setup your bios and boot from this usb stick/disk.
