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Windows 7: Remove Ubuntu from Windows 7 DualBoot

08 May 2013   #1
chromium

Windows 7 Home Premium 64Bit
 
 
Remove Ubuntu from Windows 7 DualBoot

I currently have a dual boot between windows 7 and ubuntu 12.10 (both x64)
Before this setup i had windows 7 and windows 8 dualbooting, but i decided to remove win8 and install ubuntu.

When i boot up my pc it goes to ubuntus grub bootloader, but in it i dont see a win7 entry. Instead i see a win8 entry(even though i removed it already). However when i click on it, the pc boots to win7 properly.

I now want to remove ubuntu and install win8 onto that partition. Is it as easy as deleting the ubuntu partition with disk management? Or is it necessary to do anything else? Im wondering since everything seems a bit weird with win8 showing up in the bootloader.

Ive also attached a screenshot of my diskmanagement.
1st partition is the 100mb partition that gets made when installing win7
2nd partition is win7
3rd partition is swap for ubuntu
4th partition is ubuntu

Thanks in advance.




Attached Thumbnails
Remove Ubuntu from Windows 7 DualBoot-screen.png  
My System SpecsSystem Spec
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08 May 2013   #2
gregrocker

 

Hi Chromium, and sorry for the wait.

You should be good to boot the Win8 installer, delete the last two partitions, format and install Win8 in that space. Dual Boot Installation - Windows 8 and Windows 7 or Vista - Windows 8 Forums

The only problem will be if GRUB corrupted the bootloader which sometimes requires wiping the HD with Diskpart Clean Command. Then you'd have to reinstall both.

But go ahead and install WIn8 to see if it's boot loader asserts itself with the Metro-style boot menu for both.
My System SpecsSystem Spec
09 May 2013   #3
chromium

Windows 7 Home Premium 64Bit
 
 

Thanks for the reply.

I REALLY want to avoid screwing up my mbr again, and having to wipe the whole hdd again if possible.
For now, is it possible to just remove the ubuntu partition through my win7 disk management, or will it mess up my mbr and stop windows from booting?
My System SpecsSystem Spec
.

09 May 2013   #4
gregrocker

 

You should be okay since the System Active flags are on System Reserved, signifying that partition alone is booting Win7 on C. The last two partitions have no flags which need to be addressed before they can be deleted. If GRUB is on one of them, it should be delete with them.
My System SpecsSystem Spec
10 May 2013   #5
chromium

Windows 7 Home Premium 64Bit
 
 

is there any possibility that my pc wont boot windows after deleting the ubuntu and swap partitions?
My System SpecsSystem Spec
10 May 2013   #6
gregrocker

 

This is impossible to say since GRUB is a wild card. But most of those problems with GRUB ruining Win7 boot until the HD is wiped went away with GRUB2.

You can save a backup image of the two partitions just in case.

If it doesn't boot then Startup Repair should repair it as long as the Active flag remains on System Reserved. Have your Win7 DVD or System Repair Disk standing by.
My System SpecsSystem Spec
02 Jun 2013   #7
chromium

Windows 7 Home Premium 64Bit
 
 

Quote   Quote: Originally Posted by gregrocker View Post
This is impossible to say since GRUB is a wild card. But most of those problems with GRUB ruining Win7 boot until the HD is wiped went away with GRUB2.

You can save a backup image of the two partitions just in case.

If it doesn't boot then Startup Repair should repair it as long as the Active flag remains on System Reserved. Have your Win7 DVD or System Repair Disk standing by.
Is there any chance that after deleting the ubuntu partition and after running the win7 startup repair, that it will still not boot?

Also could i use EasyBCD to write the win7 bootloader to the mbr, and then delete the ubuntu partition? Would that guarantee that my pc would boot windows after deleting ubuntu/grub?
My System SpecsSystem Spec
02 Jun 2013   #8
theog

Microsoft Community Contributor Award Recipient

ME/XP/Vista/Win7
 
 

To Remove Linux take look at this post:
Error 0xc0000225 on boot

Remove Grub - Restore Windows 7
My System SpecsSystem Spec
02 Jun 2013   #9
chromium

Windows 7 Home Premium 64Bit
 
 

Quote   Quote: Originally Posted by theog View Post
To Remove Linux take look at this post:
Error 0xc0000225 on boot

Remove Grub - Restore Windows 7
Thanks. Is there any chance this wont work, and my PC wont boot win7?

Sorry for all the questions, i just want to be sure. Im a bit paranoid after messing up my mbr a while ago and having to completely wipe the hdd.
My System SpecsSystem Spec
02 Jun 2013   #10
gregrocker

 

My System SpecsSystem Spec
Reply

 Remove Ubuntu from Windows 7 DualBoot




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