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How to CLEAN Install Windows 7 directly from Hard drive – NO DVD or USB needed!!

For example, you have a netbook or desktop that you want to install Windows 7 onto, but can’t use DVD or USB for whatever reason (or don't want to, like me). This method will allow you to boot and install Windows directly from the hard drive. This guide involves plugging the hard drive into another working computer, preparing the hard drive, placing it back in the system, and installing Windows as usual.

This guide will work for Windows 7 and Windows 8.  I have a Windows 8 instructable, but it's essentially the same guide with some Windows 8 pictures.  This guide will not work for Windows Vista - I have an instructable for that.

Part 1: Preparing the HD with Windows 7 setup files.

- Connect the hard drive to another working computer.
- Format the hard drive to NTFS (Quick format works fine; multiple partitions also work).
- Copy the following from your Windows 7 disc:

    Boot
    Sources
    Bootmgr

Part 2: Making the HD bootable

Using Windows XP, Vista, or 7, open CMD as Admin (Windows key + R, type CMD, hit Enter)

Enter the following commands, (replace X with what applies to your hard drive):

diskpart
list disk
select disk X
list partition
select partition X
active
exit
X:\boot\bootsect.exe /nt60 X:

(See picture for example)

Exit and shutdown.

Note: If you’re working on a 32-bit system, and you want to install 64-bit Windows, you may get problems trying to run the last command (X:\boot\bootsect.exe /nt60 X:).
Solutions:

    Use a computer with a 64-bit version of Windows

OR

    A little trick that worked for me: If you have a 32-bit Windows 7 disc, you can copy bootsect.exe from that and replace the 64-bit one (boot\bootsect.exe).

Part 3: Booting and installing Windows

Place the hard drive back into the target machine. Make sure that the BIOS is configured to boot from the hard drive. If you did everything correctly, you should see “Windows is loading files” and setup will load (really fast, too, because it's loading from the hard drive). Install Windows as usual (but don’t format your drive this time in the installer – otherwise it will erase the Windows 7 setup files too!).

Part 4: Final steps/housecleaning

We’ll have to quickly edit the boot menu once Windows is installed.

In Windows 7, hit the Windows key + R. Type msconfig, and hit Enter.
Click to the Boot tab at the top.
Click 'Windows Setup (\windows)', and hit Delete.
Click OK.
Click 'Exit without restart'.

And lastly, delete the ‘Sources’ folder from your hard drive root (this will free up 2-3gb).


I hope this helps some people out.  Feel free to comment :)
<p>Hi, there, as for your question, you definitely need to buy a product key to activate your Windows 8.1 Professional key. But don't need to worry about how and where to buy the genuine product key. You can go to the professional site <a href="http://www.Microsoftkeystores.com/" rel="nofollow"> http://www.Microsoftkeystores.com/ </a> . Choose the target product and order it online. The support email will be sent to you at the first time. If you have any other technical questions, you can also communicate with their support team.</p>
<p>Thanks a bunch..You really saved my time. Cause for any reason I can't boot from my usb. Thanks a lot.</p>
<p>Thank you so much..i liked it</p>
<p>You don't have to plug in the HDD you wish to put new windows on in another PC, you can basically do that in the same PC you already have windows on! Great work! Tnx!!</p>
<p>thx for good i lobe u i like u</p>
<p>Thankyou! This has just solved a painstaking weekend! </p><p>My clean installation for windows would crash every time on 'Copying windows install files' at 0%. I had no spare computer and had formated all my parititions.</p><p>I plugged in a bootable usb with W10 iso and copied the files to the active primary partition of the broken laptop using 'xcopy<br>d: c: /s /e' from the recovery command prompt.</p><p>I then removed the bootable usb and rebooted. The installation worked fine after this!</p>
<p>spot on mate worked first time.... scrapped or so i thought laptop SAVED :)</p>
<p>Brilliant, after hours of trawling forums looking for a solution to a shot hdd on a netbook that doesn't have a dvd drive or will accept boot from usb you saved me. Easy to follow instructions even I could understand - thanks!</p>
<p>Thank you very much! this was just perfect!</p>
<p>hey you have skype? I want to instal windows from USB but don.t read it or a DVD , say alltimes bootMGR is missing or restar and......(i want to help me from skype , to show you alltime the screen and to say me wat is need to make ) Ty.</p>
<p>Can you do this using an external? If so, how? I am in need for a good reboot. (insert geek-isum)</p>
<p>great job!</p><p>shortcut on PART 2</p><p>press winlogo + R</p><p>type diskmgmt.msc and click OK or press enter</p><p>click X drive (X=your target drive)</p><p>right click X drive and select MARK PARTITION AS ACTIVE</p><p>close disk management and proceed with PART 3</p>

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More by StevenTyler: Install Windows 8 directly from Hard drive – NO DVD or USB needed! Install Windows Vista directly from Hard drive – NO DVD or USB needed! Install Windows 7 without USB or DVD without upgrading!
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