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Windows 7: Setup was unable to create a new system partition

16 Jun 2015   #151
gregrocker

 

Thanks for sharing what worked for you. We deal with this error here almost daily. It has many different causes.

To know you've done the basics be sure to Troubleshoot Windows 7 Installation Failures - Windows 7 Help Forums


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07 Aug 2015   #152
acara26

Windows 7 Home Premium
 
 
Problem

Quote   Quote: Originally Posted by hArLtRoN View Post
  1. Set your PC to boot from DVD via BIOS
  2. Put the DVD in and let it load until you get to this screen:
  3. Once at this screen, press: (SHIFT+F10) to get a CMD window
  4. MAKE SURE YOU SELECT THE DRIVE YOUR INSTALLING WINDOWS TO NOT ANOTHER. In the CMD window, type in Each Command and Press <ENTER> Key as follows:

    DiskPart <ENTER>
    list disk <ENTER>
    select disk 0 <ENTER>
    clean <ENTER>
    create partition primary align=1024 <ENTER>
    format fs=ntfs <ENTER> (Will Take a While)
    assign <ENTER>
    active <ENTER>
    exit <ENTER>
    exit <ENTER>
  5. After it completes, exit the INSTALL COMPLETELY and reboot.
  6. Once you are back in, go about installing Windows just DO NOT ALLOW Windows to create a new partition, use the only one there.
  7. Windows will now install
Hope this helps! Post back if you need further instructions or help

I just installed a new hard drive into my computer and I am trying to install windows on the new hard drive. I started doing everything in the above steps with the DISKPART. However there was a power out in the middle of the format part and the computer shut off. Now when I try it again after I do the clean step and type in the create partition primary align=1024 step it says "This request could not be performed because of an I/O error".

What do I do? I do not really know a whole lot about fixing these kinds of things on computers, so if there is another step by step instruction that could fix this it would be greatly appreciated.
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08 Aug 2015   #153
Anmol Yousaf

windows 7 ultimate x64
 
 

I encountered the same problem. I found on a link, it was because of Kingston usb. I changed the usb drive and problem solved!!
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08 Aug 2015   #154
acara26

Windows 7 Home Premium
 
 

I am not using a Kingston USB. I am reinstalling from CD-ROM.
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20 Aug 2015   #155
verifier

Windows 7 Pro 32-bit
 
 
Something to check first for this issue

I struggled off and on with this "Setup was unable to create a new system partition" or words to that effect when trying to install a newly purchased copy of Win 7 Pro on a new internal hard drive because the original drive had ended its useful life. I looked at all of the threads I could find and tried all of the solutions but could not get by the problem. I could partition and format the drive with no issues but still when I told the Win 7 setup to use that one and only partition it set it could not.

Finally I saw a thread where a tech guy asked to see the whole setupact.log and when I found mine and compared it to the one the other fellow posted I saw right away what my problem was!

When my internal hard drive went bad and I did not have a replacement, I was running Ubuntu from a USB stick and I had changed the BIOS Boot options to boot that first. That was the problem. Windows setup will not install unless the boot disk in the BIOS is an internal hard disk drive. Once I reset the BIOS to boot the hard disk first Windows Setup proceeded normally to a successful conclusion.
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03 Sep 2015   #156
ESTEPHENS10

64 windows 7 ultimate
 
 
I have found a fix

hey guys this worked, and its the most tiniest thing.... WOW IV SPENT 10 HOURS TRYING TO DO THIS AND IV FOUND THE ANSWER: LOOK NO FURTHER: https://www.youtube.com/watch?v=tdTkT5QBmCo
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08 Oct 2015   #157
magicmoon83

windows 10 32
 
 
i tried but....

Hello,
I tried whatever screenshot described but after than it is same.. Can't go further.. There is no any option which last screen shot has..
Let me know please


Attached Thumbnails
Setup was unable to create a new system partition-1444325997215.jpg  
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08 Oct 2015   #158
Kring

Win 10 x64
 
 

So none of this worked for me.. Days of work got me no where. I appreciate the steps however it didn't work. I eventually got lucky and figured out the real fix. And validated on 3 other systems. Simply when you are running into the issue at the partition screen of Windows install, just remove the USB drive, try installing and it fails again but different error, now plug the USB drive back in again and give it 10 seconds to recognize and then it will now work perfectly.

That's all folks! Now you can use the install to create the partitions and continue with the install
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04 Nov 2015   #159
vexter

Windows 7 Ultimate x64
 
 

Quote   Quote: Originally Posted by Kring View Post
So none of this worked for me.. Days of work got me no where. I appreciate the steps however it didn't work. I eventually got lucky and figured out the real fix. And validated on 3 other systems. Simply when you are running into the issue at the partition screen of Windows install, just remove the USB drive, try installing and it fails again but different error, now plug the USB drive back in again and give it 10 seconds to recognize and then it will now work perfectly.

That's all folks! Now you can use the install to create the partitions and continue with the install
I can validate this fix. Its important that you have not clicked next on the partition screen. Just unplug the USB you booted from to install, then click next. you get an error. Re-insert the USB drive. I waited until the light stopped flashing, and clicked next.

Kring should make it a habit of buying powerball tickets.
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23 Dec 2015   #160
nalbe

windows7 ultimate x32
 
 

Hello. In my case, this error was caused by the usb stick "transcend JetFlash®620 with SecureDrive". When I changed it to another "Transcend JetFlash®780" the problem is gone.
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 Setup was unable to create a new system partition




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