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Windows 7: Dual boot Win7 & Win10 on same HDD - How to eliminate Win7?

24 Jul 2019   #1
ncsercs

Windows 7 Professional Service Pack 1 (64bit)
 
 
Dual boot Win7 & Win10 on same HDD - How to eliminate Win7?

I had a single hard drive with Windows 7 on it and then created another partition and loaded Windows 10 on that resulting in a dual boot setup.

I want to eliminate the dual boot setup and delete the partition with windows 7 on it leaving a single partition with only Windows 10.

How can I do that without totally messing up the MBR and the booting process?

Thanks!


My System SpecsSystem Spec
.
24 Jul 2019   #2
SIW2

Microsoft Community Contributor Award Recipient

Vista x64 / 7 X64
 
 

post a screenshot of disk management.
My System SpecsSystem Spec
25 Jul 2019   #3
ncsercs

Windows 7 Professional Service Pack 1 (64bit)
 
 

here it is


Attached Thumbnails
Dual boot Win7 & Win10 on same HDD - How to eliminate Win7?-disk.png  
My System SpecsSystem Spec
.

25 Jul 2019   #4
SIW2

Microsoft Community Contributor Award Recipient

Vista x64 / 7 X64
 
 

command prompt:

diskpart
sel vol c:
act
exi

bcdboot c:\windows /s c:


Then reboot your pc.

next is the interesting bit. You will be able to delete the win 7 partition in disk management, but you need a 3rd party tool to extend the win10 partition to the left.

Partition Manager Software: Partition Magic Alternative for Windows PC and Server | AOMEI Partition
Assistant


Install the free version of aomei, get it make boot media and use the boot media to do the partition extending.
My System SpecsSystem Spec
26 Jul 2019   #5
ncsercs

Windows 7 Professional Service Pack 1 (64bit)
 
 

Worked like a charm. Command used was "bcdboot C:\Windows /s C:"

Thank you so much!
My System SpecsSystem Spec
Reply

 Dual boot Win7 & Win10 on same HDD - How to eliminate Win7?




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