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Setup was unable to create a new system partition

Last response: in Windows 7
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October 27, 2012 12:05:52 AM

So i'm trying to do a clean install on windows 7, i've tried to format and then do the install but it still says setup was unable to create a new system partition
October 27, 2012 12:21:52 AM

Can you post more information?

Did it tell you why?

What format did you wish to install on the new partition?

What motherboard are you using?
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October 27, 2012 12:28:13 AM

I doesnt tell me why, and i wish to install windows 7.

dont know the motherboard its the pre model of the alienware mx 17 r1
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October 27, 2012 12:32:33 AM

are you booting from a recovery partition or from a CD? Did you delete the other/old partitions?
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October 27, 2012 12:39:43 AM

Delted them all im trying to do a clean install with a windows 7 disk
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October 27, 2012 1:10:42 AM

after they are deleted, you'll need to go into advanced options and recreate the partition so Windows can install the files to it.
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October 27, 2012 2:17:56 AM

so far it's right. click new partition. Let it use the default space and click proceed, or ok, or whatever the button is and it should install. It should create a 100mb system partition separate from the rest of the install
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October 27, 2012 2:25:10 AM

egilbe said:
so far it's right. click new partition. Let it use the default space and click proceed, or ok, or whatever the button is and it should install. It should create a 100mb system partition separate from the rest of the install


it doesnt do that though
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a b $ Windows 7
October 27, 2012 2:33:04 AM

Delete all the partitions. The select the unpartitioned space to install windows and it will create the needed partitions and format them.
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October 27, 2012 2:38:41 AM

from the pic you posted, it should work just the way I said. Are you using a CD or USB stick? Is it a full version or upgrade? Are you selecting upgrade or Custom option and telling windows to install?
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October 27, 2012 2:40:02 AM

Full version and im using a CD im also using the custom option
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October 27, 2012 2:46:25 AM

then I'm at a loss.
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a b $ Windows 7
October 29, 2012 4:49:26 PM

I don't know the answer either. I would try a different install disk. You should be able to download the ISO, and burn a new disk.
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March 29, 2013 10:23:26 AM

Couple months later.. but perhaps this will help someone down the road.

Was in the same exact predicament. Did the whole delete, new partition, format, nothing would work. But every time I was booting up I had my usb plugged(which had my raid driver on it). But it also had a bootable dos, and parted magic from when I was doing hdderases and secure erases. So I'm pretty sure in someway when it was trying to partition for the system reserve, the dos or parted magic was interfering.

So the final solution was I just unplugged the usb, booted up windows 7 install disc and just waited till got "install driver" for my ssds and then plugged in my usb and worked like a charm after that.
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April 7, 2013 6:08:31 AM

Im having the same problem, booting from usb or disk will work until i get to the "selection of HDD"
Im trying to do a build from a blank hdd but no matter what it will not accept a partition made or the existing hdd space. Anyone have any further luck on these issues?
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February 5, 2014 8:11:42 PM

Hope this will help someone like me who doesn't want to delete other partitions (because all back up data are there). I was stuck at 'unable to create new system partition' after recreating the primary partition. What I did was:
- Run Windows setup again.
- At Advanced, choose Repair
- Choose Startup Repair and let it repair the boot section and primary parition as it wishes :) .
After that Run Windows setup again and it will proceed with installing on the primary partition.
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!