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Windows 7: Unmountable Boot Error After Writing Zeros to Disc

13 Aug 2015   #1
Carbo

W7 Home Premium 64
 
 
Unmountable Boot Error After Writing Zeros to Disc

Dell laptop with a WD 750GB Black hard disc. Decided to do a clean install of the OS after upgrading from Windows 7 to Windows 10. I wanted to go back to 7 and start with a clean drive and used Western Digital's Data Lifeguard Diagnostics for DOS.
Wrote zeros to the drive, and then booted to my retail version of Windows 7 Pro 64 bit, only to receive an unmountable boot volume error. Ran a quick test on the disc and it came back error free. Now running the full test but it takes about 90 minutes.
In the meantime, any suggestions on what is wrong and how to correct it? Thank you.


My System SpecsSystem Spec
.
13 Aug 2015   #2
Layback Bear

Windows 7 Pro. 64/SP-1
 
 

First make sure you have your COA key handy.

Now use this tutorial by Brink.

Clean Install Windows 7
My System SpecsSystem Spec
13 Aug 2015   #3
Carbo

W7 Home Premium 64
 
 

Very strange. When I went to the MS software recovery link and tried to download the file, I received an error message telling me the software I'm trying to download doesn't support the chosen language. . .English.
I confirmed the product key and tried 4 different times on two different computers.
Is there another location where I can create a bootable USB for W7 Pro, SP1, 64 bit?
My System SpecsSystem Spec
.

13 Aug 2015   #4
Carbo

W7 Home Premium 64
 
 

Just realized I was inputting the product key, not the COA. They aren't the same, I'm guessing? So where do I find this COA?
This is a Dell laptop that came with W7 Home Premium. I purchased a retail version of W7 Pro. No idea what the COA is.
Is there any other way to create a bootable USB? Right now I'm feeling !@#$%^&* Need to get my laptop up and running. Never thought it would turn into an all day and all night project.
My System SpecsSystem Spec
13 Aug 2015   #5
Layback Bear

Windows 7 Pro. 64/SP-1
 
 

Do you have one of these on your computer?

System Info - See Your System Specs

I'm not sure how one looses a $140.00 Windows 7 Pro COA key.

Where did you get Windows 7 Pro from?


Attached Images
Unmountable Boot Error After Writing Zeros to Disc-coa-certificate-authenticity.gif 
My System SpecsSystem Spec
13 Aug 2015   #6
Carbo

W7 Home Premium 64
 
 

It was purchased online a number of years ago, possibly from Newegg, but I don't recall.
In any event, strangely enough on what was about the 12th attempt to get the OS to install it suddenly did.
Don't know why it wouldn't, don't know why it finally did. But I'm relieved.
My System SpecsSystem Spec
13 Aug 2015   #7
Layback Bear

Windows 7 Pro. 64/SP-1
 
 

To check farther that things are proper you could do these two tutorials and post here.

You could fill in your (My System Specs) please include your security programs and power supply. This tutorial by Brink will help.

System Info - See Your System Specs

Then complete this tutorial and post here.

Windows Genuine and Activation Issue Posting Instructions
My System SpecsSystem Spec
14 Aug 2015   #8
Ztruker

Windows 10 Pro X64
 
 

Look under the battery, sometimes it's put there to protect it.
My System SpecsSystem Spec
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 Unmountable Boot Error After Writing Zeros to Disc




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