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Win 7 Setup Error: Setup was unable to create a new system partition...

Last response: in Windows 7
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June 9, 2014 10:55:11 AM

Hello everyone,

First time posting here, long time lurker. This site is amazing and I can usually find the answer to any problems I come across when dealing with my systems. Anyway..

I recently picked up an Acer Aspire One (Model: a0722-0828) and wanted to install a fresh copy of Windows 7. When selecting the disk Windows will install to, I get the following error:

Setup was unable to create a new system partition or locate an existing one.

I have completely deleted all partitions to have un-allocated space. I've tried creating and cleaning the partitions using cmd/diskpart commands. I've tried formatting within Windows 7 setup and through diskpart. I've noticed setup does not create the 100mb partition when formatting the drive as it usually does. This is the first time I've run across this issue.

I am using a USB drive to install Windows as there is no DVD drive on the netbook.

The netbook only has one hard drive: WDC WD5000BPVT-22HXZT3.

I am at a complete loss as to what step to take next. I've tried different ISO's, cleaning/formatting with GParted, switching between AHCI and IDE mode in BIOS. The BIOS also has options for supervisor, user, and hdd passwords. All options are greyed out except for supervisor and they are currently set to clear, clear, and frozen, respectively. Does it matter if the HDD password is "frozen"? Would that affect the setup's ability to create the new partitions properly?

I've opened setuperr using Notepad inside the X:boot drive during Windows 7 install and get the following message:

Error [0x06069e]: Couldn't find boot disk on this BIOS-based computer.

Sorry for the long post but I wanted to include all the information I have for a quick resolution. Any help will be greatly appreciated.

More about : win setup error setup unable create system partition

a b $ Windows 7
June 9, 2014 11:08:30 AM

What pre-installed Windows version does the laptop come with? Try to check with BIOS/UEFI and disable it and try the installation again.
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June 9, 2014 11:20:56 AM

supasieu said:
What pre-installed Windows version does the laptop come with? Try to check with BIOS/UEFI and disable it and try the installation again.


The laptop came with Windows 7 Home Premium OA.
I've gone through BIOS but I don't see any option for UEFI.
Any other suggestions?
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a b $ Windows 7
June 9, 2014 11:40:28 AM

You might have tried this method, but check out John_VanKirk solution on similar issue.
Any option for Legacy drivers in Bios?
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June 9, 2014 1:33:40 PM

supasieu said:
You might have tried this method, but check out John_VanKirk solution on similar issue.
Any option for Legacy drivers in Bios?


Only thing I haven't tried is making the USB read only.
Will that make a huge difference?

And there is no option for legacy drive in BIOS either.

EDIT: I was finally able to get the laptop to accept an install. I forgot to mention that the laptop had Windows 8 prior to deleting all partitions and attempting a fresh install of Windows 7. I'm assuming it was upgraded. I'm not sure if or why that caused the problem with the partition/hard drive, but I was able to get my hands on a Windows 8 ISO and it installed through USB without a problem.
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