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Install Windows 7 from a USB drive the very easy way

The fastest way to install windows 7 is from a bootable usb drive. You can cut the install time down to around 15 minutes compared with 30-40 via DVD if you use a fast drive.

People still asking me to explain what is the best way to do this as many of the guides online are too complex, or require third party software which doesn’t always work as they supposed to.

With this BootableUSB guide all you need to ensure is that your motherboard supports USB booting, and this is a common feature now for most of the computers.

Today I am going to publish a step by step guide which works perfectly and doesn’t require any additional tools – I have been doing it for some time now to create bootable Windows install drives.

You need to get hold of a fast USB 2.0 flash drive. It doesn’t need to be 32GB or bigger,however, all you need is a 4GB unit. The faster it is, the better.

What you need:
– Windows 7 DVD install disc or ISO image
USB Drive (4GB+ and as fast as you can get)
– Running Windows Operating system
– Working set of hands and eyes
– A few minutes of your life

Plug in your USB drive in the USB port:

Usb Drive Plugged

Before going any further, make sure you have removed any important files on your drive to a safe location, what we are about to do next is to erase the entire contents of the drive.
Insert your DVD of Windows 7 into the computer, but don’t start the normal install process.
Open your ‘My Computer’ and make a note of the drive numbers of both the USB drive and the DVD drive with Windows 7 files on it.

Usb And Computer Drives


As you can see from the image above, the DVD drive is drive has letter D assigned and the USB drive is E.
Open the command prompt with admin rights. Type cmd in Start menu search box and hit Shift+Ctrl+Enter.
To keep things really easy, if you see text in upper case, it means this is what you type into the command prompt (you don’t need to type in upper case).



Next type


this loads the diskpart application we need to proceed

Then type


the image above shows our 32 GB USB drive is listed as DISK 2

so you have to type

SELECT DISK 2 (your USB Drive may have a different number, don’t follow exactly this text it depends on your usb drive)

You will get a successful response “Disk 2 is now the selected disk”

Clean Cmd USB Drive

Next we want to clean the USB drive



you will get a successful response ‘DiskPart succeeded in cleaning the disk”.

Clean USB Drive


After the drive is cleaned follow the list in the image above (detailed below in list order) – you can also note the successful text responses from the OS as you enter each command.

SELECT DISK 2 (or what number your USB drive has)





Formatting can take a little time depending on the size of the drive, our 32GB unit took about 10 minutes to format - you will see a percentage readout until it is finished.

Bootable USB Final Cmd Prompt

Next type:


EXIT (DISK PART will exit)

Type D: CD BOOT (substitute the “D” if necessary with the letter of your Windows 7 DVD drive)

then key



BOOTSECT.EXE /NT60 E: (substitute the “E” if necessary with the letter of your now ready USB drive) – we are telling the system to create a boot sector file on the USB drive.

Now you can exit the command prompt and copy all the files on the Windows 7 DVD to the USB drive.

Once this step is finished you’ll be ready to boot from this drive, all you need to do is configure your motherboard bios setup to boot first from USB rather than hard drive or optical drive. If you don’t know how to do this, refer to your specific motherboard manual or search the internet.

Now, Windows 7 installation should take between 40% and 60% of the time it does from the DVD disc.

Last step: Drink a cup of tea, from now on you can do this again and again :)


  1. can u plz contact me i unable to reboot my laptop and they asking network boot
    my number is 9035823204

  2. How to creat boot, usb pen drive ?

    • Complete the same steps as provided.

  3. Thanks so much for your lucid and complete instruction set. I have a laptop which needs re-installation of Windows 7. The DVD drive is either broken or not recognized by the OS. Using your perfect outline of DOS commands, I easily configured my USB flash drive to boot the machine. I do appreciate your help.

  4. Instead of DVD drive is it possible to use that command in local drives of the computer

  5. D: cd boot ====> Is it possible to use this command on any other local drives I have or else it is mandatory to use on the DVD drive only

  6. Thanks for the great instructions. Unfortunately the last part decided not to work for the below error. Can you please help?

    D:\boot>bootsect.exe /nt60 g:
    This tool can only be run on systems booted using a PC/AT BIOS. This system
    was booted using EFI or some other firmware type.

    Thanks and Regards


  7. My usb is all ready to install. What do I do now? DO I restart my pc and push one of the “F..” buttons or?

    • You can either use the F* (often F9-F12) to find your boot menu if it is availible in your BIOS. Other options is to enter BIOS (del or f2 on most systems) and change the boot order. When you do this on most systems you should keep HDD as first boot priority, then enter a sub meny called something like HDD boot priorites. In this menu the USB is probably detected as a hard drive. move the USB to first place. Save and reboot.

      If this was not possible there is also in some bioses possible to boot into the USB key from the last page of your BIOS. I think its usually called something like Boot over ride.

      Also in the above guide the last step with bootsect.exe, I don’t think this is neccessary. I never do this when I generate USB keys with WIM images or Windows OPK/OEM kits.

      I hope this helped someone!

      • hi, there ive just read your comment and ive previously used a usb to reboot my laptop. ive been hit with a problem recently and now my dell laptop appears on the bootscreen when i power up. I dont have a windows 7 disk or usb anymore since i borrowed the previous one. Any suggestions?

  8. How to install if is is does and nothing is in pc

  9. I made bootable pd and tried to install w7 but after completing 70% it shows files are missing(but there is no problem in files as i installed same window with same pd in another laptop two days back) and my DVD writer is also not in working condition.So please suggest some ways so that i can use my laptop again

  10. Could not map drive partitions to the associated volume device objects:
    Access is denied.

    howcan i fix this problem on command


  11. thanks great instructions !

  12. I did all of it But the installation stops at wpeinit.

  13. Thank you very much for sharing this information. You made my day.

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