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Windows 7: Remove dual boot

21 Jul 2013   #1
camcoop

Win 7 32 bit
 
 
Remove dual boot

I have 2 copies of win 7 installed in a dual boot configuration the older one is on the C: drive and the other is on the L: drive I want to remove the one on the C: drive but I donít want to lose the boot mgr, can someone instruct me on how to do this? My thought was to make a disk image of the one I want to keep (L then reformat the C: drive and install the backup image on the C: drive. Any help I can get will be appreciated, Bob


My System SpecsSystem Spec
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21 Jul 2013   #2
TwoCables

 

All you have to do is change the boot order in the BIOS so the other drive is first. Then it will be C: and the other drive will get some random letter (such as D: or E: or whatever letter is next in line).

So, the drive letter is always determined by the installation of Windows that you are booted into.
My System SpecsSystem Spec
21 Jul 2013   #3
DavidE

Multi-Boot W7_Pro_x64 W8.1_Pro_x64 W10_Pro_x64
 
 

Are C and L different HDs, or different partitions on the same HD?
You should post a screen shot of Disk Management for this.
Disk Management - Post a Screen Capture Image

If one of the OSs has the letter L when it is booted, I believe that means you started the 2nd Windows install while you were running the first OS ?
Or, did you boot the Windows DVD to do the 2nd install ?
My System SpecsSystem Spec
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21 Jul 2013   #4
Bobcoop103

Win 7
 
 
Remove dual boot

I neglected to indicate that the 2 copies are on the same physical drive and I installed the second one on a newly created partition from an installation DVD.
My System SpecsSystem Spec
21 Jul 2013   #5
gregrocker

 

We need to see the screenshot of Disk Management - Post a Screen Capture Image - Windows 7 Help Forums.

We'll be able to tell you what you need to know then.
My System SpecsSystem Spec
22 Jul 2013   #6
Bobcoop103

Win 7
 
 

-disk-management-screen-shot.jpg


My System SpecsSystem Spec
22 Jul 2013   #7
Bobcoop103

Win 7
 
 

As you requested.
My System SpecsSystem Spec
22 Jul 2013   #8
gregrocker

 

Well since you're booted into the Win7 on L as signified by the Boot flag on its partition, it means you must have run the Win7 installer from C instead of correctly booting it to install to its partition which would have made it C whenever it was booted.

So the question then becomes if you want to keep a Win7 install on L drive which most user's do not. If not then I would back up your files, unplug all other HD's and peripherals, boot the installer to Clean Install Windows 7. Using the Drive Options in Steps 7/8 delete all partitions and create new as you wish or just click Next if you have no partition scheme in mind.

If you don't mind having Win7 on L, then Partition - Mark as Active the L partition, boot into the Win7 installer or Repair CD - System Repair Disk to run Startup Repair - Run 3 Separate Times until it boots and the System Active flags are both on L.

You can then delete C and recover its space as shown in Partition : Recover Space Used by an Older OS so that Win7 is in the preferred left hand position for faster reads.
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 Remove dual boot




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