cannot install Windows 7 from USB error "setup was unable to create a new system partition"

Windows 7 install o Acer Aspire 5100 gets wrong (maybe by EzBack Pro II)

So the problem is i want to install windows 7 (from USB, more details soon) but it gives me the error "setup was unable to  create a new system partitiojn or locate an existing system partition. See thwesetup log files for more information".

I have flashed the bios because the freaking EzBackPro II caouldn't be uninstalled on vista.

I formated all partitions and have now 1x 150 gb partition (even the OEM partition.. so angyr I Am because the recovery tools didn't work ~.~)

now i want to install windows 7 and it just doesn't ;/

any help? i hope i didnt destroy my laptop ;/


Question Info

Last updated March 28, 2018 Views 34,269 Applies to:

Hi Grasmanek,



You may try to dollow the steps and check if it helps you fix Windows 7 installation from USB drive.


A)   Do not have USB stick plugged in when booting the computer.

B)   At the setup page which says you can load other drivers, insert the USB stick, then click the link and load the drivers.

C)   Unplug the USB stick.

D)   Continue with setup and check if it completes fine.



Access the links below and make sure you follow the steps mentioned in the articles to install Windows 7 from USB drive.



Hope this helps. Let us know the result.


Thanks and Regards,


Srinivas R

Microsoft Support.

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