How to Install Windows 7 From Your Internal Hard Drive


Some older computers have trouble installing Windows from the thumb drive. If all you have is a USB Windows 7 Installer then you can use this method to accomplish your clean install of Windows 7.


Preparing Hard Drive

  1. With the computer powered completely down plug in the USB thumb drive with the Windows 7 installer
  2. Press your computer’s power button and mmediately press the F12 key enter the Boot Options menu
  3. Using the arrow keys select your USB thumb drive and press the Enter key
  4. At the Install Windows screen select your language, keyboard and click on the Next button
  5. At the lower left-hand part of the window click on Repair your computer
  6. Click the radion button next to Use recovery tools then click the Next button
  7. Click on the Command Prompt link
  8. With the Command Prompt open type diskpart and prest the Enter Key
    Now you are in the Diskpart program where you can properly prepare the drive
  9. Type list disk and press the Enter key
  10. From the list locate the drive that you wish to prepare, usually identified by its size and notate the drive number which typically is Disk 0
  11. Type select disk 0 and press the Enter key
  12. Type clean and press the Enter key
  13. Type create partition primary and press the Enter key
  14. Type select partition 1 and press the Enter key
  15. Type active and press the Enter key
  16. Type format fs=ntfs label=Win7BootDrv quick
  17. Type assign letter=C and press the Enter key
  18. Type exit and press the Enter key to exit the program

Copying Windows 7 Installer

  1. At the Command Prompt type xcopy d: c: /s /e /h

Make Internal Hard Drive Bootable

  1. Type bootsect /nt60 c: /mbr and press the Enter key
  2. Type exit to exit the Command Prompt

Boot From Internal Hard Drive

  1. Click on the Shut Down button
  2. Remove USB thumb drive
  3. Press the power button on your computer and it will boot from the internal hard drive and begin your Windows 7 installation