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Solved: Ubuntu / 7 Dual Boot problem.

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OwenHope's Avatar
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07-Jan-2010, 05:26 PM #1
Solved: Ubuntu / 7 Dual Boot problem.
Hello,

I was running Windows 7 and Ubuntu on two seperate partitions using the Grub loader to dual boot.

I decided to part ways with Ubuntu after I was unable to boot into it on startup. So I went into Disk management in Windows 7 and deleted the partition that it was stored on.

Upon restart the Grub loader could not find anything to boot from (error 22) and I booted from an old Vista CD and ran bootrec /fixmbr which then lead me to an error saying "missing operating system".

Under bootrec i tried the following commands and these were the results.

bootrec /fixmbr - The operation completed successfully

bootrec /fixboot - The volume does not contain a recognized file system.

bootrec /scanos - Successful scanned Windows installations. Total identified Windows installations: 1
[1] D:\Windows
The operation completed successfully

bootrec /rebuildbcd - Successful scanned Windows installations. Total identified Windows installations: 1
[1] D:\Windows
Add installation to boot: i hit yes,
The Volume does not contain a recognized file system.

Can anyone help me if there is a work around this, this smells like a fresh install of 7 again.

Thanks
TerryNet's Avatar
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07-Jan-2010, 05:40 PM #2
I'm not an expert in this area--still experimenting and learning ...

Was the first part of the physical drive the Ubuntu partition with the Windows partition later? If so, it sounds like you need to make the Windows partition active, and make sure it's the first active partition. That may be all that's needed, or you may then need to do the boot fixes again.

Whatever the order of the partitions apparently the Vista CD (DVD?) can't read a portion of the drive because it is formatted in something Microsoft refuses to recognize or is unallocated (because you deleted the partition). The Vista disk probably can't fix things up w/o destroying the 7 installation, so try GParted. With that you should be able to do whatever it takes to get the drive in shape for the Vista repairs to work--Windows partition the first active partition, and (I think) no unallocated space before it. If you want to leave space before it make that space a partition and format it NTFS.
OwenHope's Avatar
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Join Date: Jan 2010
07-Jan-2010, 05:53 PM #3
Quote:
Was the first part of the physical drive the Ubuntu partition with the Windows partition later? If so, it sounds like you need to make the Windows partition active, and make sure it's the first active partition. That may be all that's needed, or you may then need to do the boot fixes again.
Yes, I believe the order was Ubuntu -> Win7

Quote:
GParted. With that you should be able to do whatever it takes to get the drive in shape for the Vista repairs to work--Windows partition the first active partition, and (I think) no unallocated space before it. If you want to leave space before it make that space a partition and format it NTFS.
I cannot even boot into the computer how am I supposed to run Gparted on it?

Thanks very much for the advice
TerryNet's Avatar
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07-Jan-2010, 06:01 PM #4
You didn't read far enough. At the bottom of that page is this link to GParted Live. Use another computer to create a bootable CD. After you download the .iso file double click on it. If Windows doesn't know what to do, download and install ISO Recorder. Then double click on the .iso.
OwenHope's Avatar
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07-Jan-2010, 06:06 PM #5
heh, thanks again! Crossing fingers.
OwenHope's Avatar
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07-Jan-2010, 06:20 PM #6
I 15gb before the Windows 7 partition was left unformatted and marked as the boot!

Simply formated it with NFTS and marked the second partition as boot and it worked perfectly!

Thanks again for the help!
TerryNet's Avatar
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07-Jan-2010, 08:48 PM #7
You're welcome. You can mark this Solved using the button at the upper left of the page.
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