Installing Windows 7 System Recovery into USB Flash Drive
From a Windows 7 computer. Assuming Windows is installed in C drive and your USB flash drive is F drive.
1. Press WIN+R, type cmd and click OK.
2. Type mkdir F:\boot F:\sources and hit enter
3. Type cd C:\recovery and hit enter
4. Type cd and press the Tab key once which will display your GUID with a string of random numbers with letters, and hit the enter key.
5. Type xcopy /H boot.sdi F:\boot and hit enter.
6. Type xcopy /H Winre.wim F:\sources\boot.wim , press F and hit enter.
7. Type xcopy /H c:\windows\boot\dvd\pcat\bcd F:\boot and hit enter.
8. Type xcopy /H c:\windows\boot\dvd\pcat\en-US\bootfix.bin F:\boot and hit enter.
9. Type xcopy /H c:\windows\boot\pcat\bootmgr F:\ and hit enter.
10. Type attrib -r -s -h /s F:\* and hit enter.
11. Type diskpart and hit enter.
12. Type list disk and hit enter.
13. Type select disk x, where x is the number of the flash drive listed by “list disk”
14. Type list partition
15. Type select partition x, where x is the number of the partition listed in “list partition”
16. Restart your computer and boot it up with the USB flash drive
1. Copy everything from the Windows 7 Repair Disc to USB flash drive. There is a boot folder, sources folder and a bootmgr file.
2. Press WIN+R, type diskpart and click OK.
3. Type list disk and hit enter.
4. Type select disk x, where x is the number of the flash drive listed by “list disk” and hit enter.
5. Type list partition and hit enter.
6. Type select partition x, where x is the number of the partition listed in “list partition” and hit enter.
7. Restart your computer and boot it up with the USB flash drive
it came in handy to my friend and myself once as i don't have a floppy or disk drives as my old computer. Also if my computer crashes and fails to boot, i can use my flash as a boot device instead seeing i dont have drives.