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Windows 7: Question re Clean Re-install of Windows 7 Professional

1 Week Ago   #1
Janesdf

Windows 7
 
 
Question re Clean Re-install of Windows 7 Professional - SOLVED

I have three pcs. Two are Windows 7 Home Premium and the third has Windows 7 Professional.

As I plan to continue running Windows 7, and I have a Windows 7 Home disk that I purchased a few years ago, I did a clean reinstall of two of my pcs. I already had antivirus and malware programs, but to be sure, with the clean re-install, I wanted to remove any unknown issues.

I then re-installed Windows 7 Home on the two pcs, installed BitDefender and Malwarebytes. I will no longer use my pcs to access financial or any other important personal information, but will use my Kindle Fires instead, including for email.

For my Windows 7 Professional pc, I do not have that particular disk and cannot do a clean install. I deleted personal and financial info from that pc. However, I would like to know the best way to clean/scrub that pc as if I had done a clean reinstall OR

could I do a clean reinstall using my Windows 7 Home disk, which means I would no longer have the Professional version, whatever that it includes as I have never been able to see any difference between the two versions.

Thank you.

Jane


My System SpecsSystem Spec
.
1 Week Ago   #2
RolandJS

Windows 7 Professional 64-bit
 
 

Best to leave Windows 7 Pro pc as W7Pro. Others have used BleachIt to wipe any personal data away, I never have - cannot tell you how to use it. One can also clean free space with any one of many utilities, if you do so, I recommend not doing much on the pc while wiping free space.
My System SpecsSystem Spec
1 Week Ago   #3
SIW2

Microsoft Community Contributor Award Recipient

Vista x64 / 7 X64
 
 

First, Make sure you backup the activation for your win7 pro pc. ( see next post - you can use dism++ to do it)

You could then either download a win 7 "Professional" iso.

Or, - because your "Home Premium" disc will contain all editions , there is an easy workaround to save downloading another iso.

Use gburner to create an iso file from your "Home Premium" dvd.

Download gBurner
fully functional trial for 30 days. You don't need 30 days, you can do this in a couple of minutes.

how to create iso file with gburner

Then delete the sources\ei.cfg file from the iso you just created.

Question re Clean Re-install of Windows 7 Professional-gburner-delete-ei.cfg.jpg


Save it


Burn that new iso to dvd and you will be able to install any edition from that.

With the ei.cfg deleted, it will offer a choice of which edition to install:

Question re Clean Re-install of Windows 7 Professional-editions-win7.jpg





Quote   Quote: Originally Posted by Janesdf View Post
I have three pcs. Two are Windows 7 Home Premium and the third has Windows 7 Professional.

As I plan to continue running Windows 7, and I have a Windows 7 Home disk that I purchased a few years ago, I did a clean reinstall of two of my pcs. I already had antivirus and malware programs, but to be sure, with the clean re-install, I wanted to remove any unknown issues.

I then re-installed Windows 7 Home on the two pcs, installed BitDefender and Malwarebytes. I will no longer use my pcs to access financial or any other important personal information, but will use my Kindle Fires instead, including for email.

For my Windows 7 Professional pc, I do not have that particular disk and cannot do a clean install. I deleted personal and financial info from that pc. However, I would like to know the best way to clean/scrub that pc as if I had done a clean reinstall OR

Jane


My System SpecsSystem Spec
.

1 Week Ago   #4
SIW2

Microsoft Community Contributor Award Recipient

Vista x64 / 7 X64
 
 

To backup activation:


Dism++10.1.1000.100.zip

1. Clik Toolkit in the left pane. Then click Activation backup in the main window

Question re Clean Re-install of Windows 7 Professional-act-backup.jpg


2. Optionally enter a name in case you need to remind yourself which machine it belongs to. Then Click Backup.


Question re Clean Re-install of Windows 7 Professional-actbackup2.jpg


3. Done

Question re Clean Re-install of Windows 7 Professional-actbackup3.jpg


Then copy the ENTIRE dism++ folder somehere safe ( e.g. a usb stick).

Then clean reinstall win7 Pro.

Then restore the activation in exactly the same way - toolkit>activation backup> this time click Restore


My System SpecsSystem Spec
1 Week Ago   #5
Megahertz07

Windows 7 HP 64
 
 

For the updates, use Simplix

Run the created UpdatePack7R2-.exe pack.
It will only install the required updates. It may install in two sections. It will ask to reboot as necessary,
Leave Updates set to never check
Then run WU manually to find updates for Office etc and decide witch one to install.
My System SpecsSystem Spec
1 Week Ago   #6
RolandJS

Windows 7 Professional 64-bit
 
 

"...With the ei.cfg deleted, it will offer a choice of which edition to install..." SIW2
I didn't know that could happen! Thanks, I learned something new today. I wonder how that one DVD'd ISO does that.
My System SpecsSystem Spec
1 Week Ago   #7
SIW2

Microsoft Community Contributor Award Recipient

Vista x64 / 7 X64
 
 

Several images in install.wim


MS x64 install.wim
Question re Clean Re-install of Windows 7 Professional-install.wim-images.jpg

1=Home Basic
2=Home Premium
3=Professional
4=Ultimate


MS x86 install.wim
Question re Clean Re-install of Windows 7 Professional-x86-install.wim-images.jpg

1=Starter
2=Home Basic
3=Home Premium
4=Professional
5=Ultimate

Those are standard MS iso files.

The ei.cfg file tells setup which image to apply. If there is no ei.cfg file, setup will offer a choice.

NOTE: Some Oem supplied "recovery media" only contains one image.


My System SpecsSystem Spec
.
1 Week Ago   #8
Janesdf

Windows 7
 
 

Sorry. I use this pc less often and forget that it does not have a CD drive whereas my other two pcs do. My Win7 Professional pc is a Lenovo M53 Thinkcentre small form factor. I could not use my Win 7 Home Premium disk if I wanted to. Any suggestions that would work with a USB drive?
My System SpecsSystem Spec
1 Week Ago   #9
SIW2

Microsoft Community Contributor Award Recipient

Vista x64 / 7 X64
 
 

Backup the activation, create an iso and remove ei.cfg as described in my previous posts.

Then, instead of burning your newly created iso to dvd, create a bootable flash disk from it.

You can do that with gburner Tools>Write USB


Question re Clean Re-install of Windows 7 Professional-2020-01-20_051925.jpg


or with usb7ice Usb7ice.zip


My System SpecsSystem Spec
1 Week Ago   #10
Janesdf

Windows 7
 
 

Before I attempt the re-install of Win 7 Pro, after I re-installed Win 7 Home Premium on my other two pcs, I downloaded and installed all of the Windows 7 updates before support ended. Now that support has ended, are all of the old updates still available, with the understanding that there will be no new updates OR is access to the old updates blocked?
My System SpecsSystem Spec
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 Question re Clean Re-install of Windows 7 Professional




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