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Windows 7: Uninstall Vista (Native OS), but leave Windows 7 (Secondary OS)

02 Apr 2011   #1
cdmoomaw

Windows 7 Professional x64 + Xubuntu 11.10 + Mac OS X 10.7
 
 
Uninstall Vista (Native OS), but leave Windows 7 (Secondary OS)

Hi, I have searched these forums all day and can't seem to find answers relevant to my particular situation, so here goes.

My current machine (HP Pavilion dv7) natively runs Windows Vista Home Premium x64. Just over a year ago, I decided to install Windows 7 Pro x64 via dual boot, as I still needed some of the programs installed on Vista. Now I have reached the point where I no longer need the Windows Vista. What I need to know is how to uninstall Windows Vista, But still be able to boot Windows 7 (I would really appreciate it if I didn't have to reinstall Windows 7). If it helps, these OSes are installed on two separate physical drives, as opposed to a single disk, partitioned. I am familiar with the registry, command line, and other power user tools.


My System SpecsSystem Spec
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02 Apr 2011   #2
Bare Foot Kid
Microsoft MVP

W 7 64-bit Ultimate
 
 

Hello cdmoomaw, welcome to Seven Forums!



Before we make any specific recommendations will you please post a snip/screen-shot of the entire disk management drive map with a full description as to which drive/partition is which, so we can see what you have going on as there may be a fairly simple way to resolve the situation.

In the Windows start menu right click computer and click manage, in the left pane of the "Computer Management" window that opens click disk management and post a maximized snip of that.


How to Upload and Post a Screenshot and File in Seven Forums
My System SpecsSystem Spec
02 Apr 2011   #3
fireberd

Windows 7/8.1/10 64 bit
 
 

Since you have installed Win 7 on a separate drive, all you have to do is remove the dual boot option (msconfig) Boot Tab in Win 7. You can then physically remove the Vista drive or reformat it (or whatever you want to do with it). I did that on my PC, I had Vista on one hard drive, I installed Windows 7 on a new (separate) hard drive. When I wanted to remove Vista I did exactly what I've stated.

Click the start button and then enter msconfig and press the enter key. The System Configuration Panel will come up and click on the "Boot" Tab. Highlight the Vista entry and then click the Delete key.
My System SpecsSystem Spec
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02 Apr 2011   #4
Bare Foot Kid
Microsoft MVP

W 7 64-bit Ultimate
 
 

Quote   Quote: Originally Posted by fireberd View Post
Since you have installed Win 7 on a separate drive, all you have to do is remove the dual boot option (msconfig) Boot Tab in Win 7. You can then physically remove the Vista drive or reformat it (or whatever you want to do with it).

Click the start button and then enter msconfig and press the enter key. The System Configuration Panel will come up and click on the "Boot" Tab. Highlight the Vista entry and then click the Delete key.
This probably won't work as I'm sure the "System" boot files are on the Vista partition and will have to be recreated to the Windows 7 partition or the new Windows 7 System Reserved partition if it is present on the Windows 7 HDD.
My System SpecsSystem Spec
02 Apr 2011   #5
cdmoomaw

Windows 7 Professional x64 + Xubuntu 11.10 + Mac OS X 10.7
 
 

Already had the window open. The unallocated space was previously used for linux. I will expand it later.


Attached Thumbnails
-capture.jpg  
My System SpecsSystem Spec
02 Apr 2011   #6
fireberd

Windows 7/8.1/10 64 bit
 
 

What I stated worked for my system. The dual boot option was in Windows 7
My System SpecsSystem Spec
02 Apr 2011   #7
Bare Foot Kid
Microsoft MVP

W 7 64-bit Ultimate
 
 

If it's a desktop.

First in Windows 7 disk management mark the Windows 7 partition as Active, then power down the PC and disconnect the Vista HDD and connect the Windows 7 HDD to the #1 SATA port of the motherboard and set it as the second boot device in the BIOS after the CD/DVD drive.

Then run the 3 separate startup repairs outlined in the main body of this tutorial at the link below to recreate the "System" boot files to the Windows 7 partition.

Startup Repair - Run 3 Separate Times


Then this method clean all (#7) can be used to wipe the Vista HDD if needed from within Windows 7.

Disk - Clean and Clean All with Diskpart Command


Then have a look at Option One in this tutorial for additional storage options.

Partition / Extended : Logical Drives
My System SpecsSystem Spec
02 Apr 2011   #8
cdmoomaw

Windows 7 Professional x64 + Xubuntu 11.10 + Mac OS X 10.7
 
 

It is a notebook computer with two internal SATA bays, will this still work?
My System SpecsSystem Spec
02 Apr 2011   #9
cdmoomaw

Windows 7 Professional x64 + Xubuntu 11.10 + Mac OS X 10.7
 
 

"bcdboot" was not recognized as a valid command. Any suggestions (I am now running on the Vista side of my computer.)
My System SpecsSystem Spec
02 Apr 2011   #10
cdmoomaw

Windows 7 Professional x64 + Xubuntu 11.10 + Mac OS X 10.7
 
 

If I am not mistaken, I do believe that Vista still used boot.ini, and that Windows 7 is the only OS (for now) that is different.

My apologies on the other thread, I figured that it was another issue in itself.
My System SpecsSystem Spec
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 Uninstall Vista (Native OS), but leave Windows 7 (Secondary OS)




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