Windows 7 forum

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Increasing the dual boot drive

by KSUpride / October 29, 2013 4:47 AM PDT

Hey all, listen I'm having an issue.

I dual boot Windows 8 on my Windows 7 harddrive which I created a second partition just for Win 8. I added an extra 10gb of space beyond the required space for the installation. Somehow, that did not worked because there is a massive updates that I had to install so apparently I have no more room. Is there way to increase the partition on the win 8 so i can do the updates and install a couple of programs to test win 8? Thanks.

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by R. Proffitt Forum moderator / October 29, 2013 4:53 AM PDT

I'm going to give the nod to a bigger drive then this kit to clone the drive. I own this one and the supplied software allowed me to resize the target partitions.

You could also wipe out your Windows 8 totally, resize like you did before and try again.

In parting, 10GB is sadly about 10X too small for such work. I usually give Windows about 120GB per OS when doing this work.

-> There's also Virtual Box which works around such testing in another way.

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by KSUpride / October 29, 2013 5:09 AM PDT
In reply to: Sure.

Hello R. Proffitt,

Could you give the steps how to wipe out windows 8 completely so i won't mess up anything. One more thing, if I re-install win 8, would they accept that I re-enter the same product key? Thanks.

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Sadly no.
by R. Proffitt Forum moderator / October 29, 2013 5:13 AM PDT
In reply to: Steps

Such work is always done with a backup to start with so there is never assurance that it will work out without trouble.

As to the product key, that sounds correct.

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Re: partition
by Kees_B Forum moderator / October 29, 2013 4:53 AM PDT

A good partition manager can shrink (and move if necessary) the Windows 7 partition and then extend the Windows 8 partition into the free space. I'd start with GPARTED (free).

But I wouldn't do that before making an image backup of the disk to another disk. However, if you mount that other disk inside the PC, you have a whole disk to install Windows 8 on. Depending on your current backup strategy and your supply of spare disks, that might be a better solution.


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Backup is key.
by R. Proffitt Forum moderator / October 29, 2013 4:57 AM PDT
In reply to: Re: partition

I've had GPARTED work its magic many times but once in awhile I had to repair the boot areas which I think is still advanced work. A backup is key to all this.

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by KSUpride / October 29, 2013 5:11 AM PDT
In reply to: Backup is key.

Well, that could be a good alternative but there is nothing for me to back up on win 8 since I did not save any files at all.

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Then you have to consider that first.
by R. Proffitt Forum moderator / October 29, 2013 5:14 AM PDT
In reply to: Gparted

We only lose what we don't backup so without backup you should not do anything until you have what you can't lose safely on a few backups.

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I mostly meant an image of Windows 7.
by Kees_B Forum moderator / October 29, 2013 5:32 AM PDT
In reply to: Gparted

You wouldn't like if that got damaged during the shrink operation and you lost all.


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