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Windows 7: How to install Windows 7 without any external device

08 Oct 2010   #1

windows 7 Ultimate x86
How to install Windows 7 without any external device

Hi friends & guests,

Here are steps on "How to Install your Windows7 onto your com without using any external device like OS DVD, Repair Disc, USB devices (External HDD, USB drive like flash drive/pen drive)


If tomorrow something goes wrong or an application screw up your system then what do you do??? Try to restore it but if you can't log into your OS through normal way or "last good configuration" doesn't work then what you might try Hitting/Pressing F8 & select Safe Mode to see if you can restore but still if issue not resolve then last resort re-install OS but if you don't have any of the above mentioned device then how to get OS installed again or let say you do have Recovery CD/DVD,external HDD but what if your ODD (DVD drive/Optical Disk Drive) not working & you don't have a USB on your old com then how to get this right without losing your Valuable data????

Note: This will work if you have the Winodws7 setup folder copied onto your HDD. As i do, so, for me an external device is never required to do the re-installation of Windows 7 again. Also this has been tested & tried only on Windows 7 & not on any other version of Windows OS.

Here's How:
Step 1:

Restart your com & keep hitting/pressing F8 to go to Advanced Boot Options screen. Now select click Safe Mode.
Attachment 102982

Step 2:
You log in now in your windows7 as an Admin but in Safe Mode ie minimum & essentials drivers will be installed.
Attachment 102989

Step 3:
Go to Computer\C:\Windows7\setup & click Set Up file & Run As Administrator.
Install windows 7 the way you always do; select the default drive for your Windows7 & follow the instruction to complete the installation.(here are screenshots of the step by step installation process involved)
1. Go to Computer\C:\Windows7\setup & do a right click on Set Up file & Run As Administrator:
Attachment 103237

2. You get the Windows 7 installation window with edition name & its version:
Attachment 102995

3. Then next window is for "Install Windows" you can select the type of installation you want to do:
Attachment 102996

4. I selected "custom (advanced)" option & then you get "setup window" to enter your valid & authenticated "product key" to register your Windows version OS:
Attachment 102998

5. Next window would again "setup window" but this will allow you select & create a "home group" as well as the libraries you want to create:
Attachment 102999

6. Next window "install window"will let select the drive where you want to install your Windows7 OS:
Attachment 103000

Note: Your old Windows7 folder will be still there all installed program & will be saved as Windows Old folder in the same drive.
***Tested on Windows7 Ultimate & Enterprise RTM 7.6***

My System SpecsSystem Spec
08 Oct 2010   #2

64-bit Windows 8.1 Pro

Thanks Deepak!
My System SpecsSystem Spec
08 Oct 2010   #3
Microsoft MVP


What about factory OEM installs?
My System SpecsSystem Spec

08 Oct 2010   #4
Orbital Shark


Quote   Quote: Originally Posted by gregrocker View Post
What about factory OEM installs?
Factory OEM installs should have their own recovery console, accessible from the POST screen (F10-F12 or similar). If not then there will be a folder in the start menu relating to '...Recovery Management'

Very nice post Deepak

My System SpecsSystem Spec
08 Oct 2010   #5
Microsoft MVP


Almost every day we have owners seeking help here to recover factory OEM that have lost their recov partition or have no disks.
My System SpecsSystem Spec
08 Oct 2010   #6

Windows 7 x64 pro/ Windows 7 x86 Pro/ XP SP3 x86

I'm sorry but am not able to figure out what the source of the win7 installation files in the OP's method is?
My System SpecsSystem Spec
08 Oct 2010   #7
Bare Foot Kid
Microsoft MVP

W 7 64-bit Ultimate

Quote   Quote: Originally Posted by Bill2 View Post
I'm sorry but am not able to figure out what the source of the win7 installation files in the OP's method is?

I am wondering this too.
My System SpecsSystem Spec
08 Oct 2010   #8

windows 7 Ultimate x86

Thnx for your support & response Tews, Jeff....
@ gregrocker that's what i've asked to Shawn too because none of my pc or laptop has a factory OEM so i couldn't test this & that's what i've seen on most HP pcs used...even i'm waiting for Shawn to respond on my query if this will work on factory OEM...but greg this work for people who have custom made pcs & laptop that also doesn't had/have factory OEM...Thnx to bring this up...
My System SpecsSystem Spec
08 Oct 2010   #9
Mark Phelps

Win7 Pro 32-bit, Win8 Pro 32-bit

Appears that deepak left out the all-important step ZERO: Copy the contents of a Win7 Installation DVD to a folder on your C: drive named "Windows 7" ...

So, this thread should really be entitled "How to REINSTALL ..." since you (apparently) need the contents of a Win7 Installation disk copied to your C: drive to do this -- and you're doing it from an already-installed copy of Win7...
My System SpecsSystem Spec
08 Oct 2010   #10
Microsoft MVP


Is this correct, Deepak?

Do you have the Win7 installation files folder on your HD?

If not, where does it come from: I386?

Why install in Safe Mode which normally isn't possible I don't believe.
My System SpecsSystem Spec

 How to install Windows 7 without any external device

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