Get the fix for the Windows setup error “Setup was unable to create a new system partition” that appears when attempting to install the following versions of Windows from a bootable USB: Windows Vista, Windows 7, Windows 8, and Windows 10. Error Details If attempting to install Windows from a USB drive, external drive, thumbdrive, USB stick, etc instead of using a CD or DVD, the following error can appear: Setup was unable to create a new system partition or locate an existing system partition. See the setup log files for more information. Causes of this error This error is hardware-dependant and its appearance varies from PC to PC. It depends on your motherboard, your USB interface, the USB stick you are using, and the version of Windows you are installing. During setup, Windows must identify which drive is your primary boot drive in order to correctly configure the MBR and bootloader. This error does not normally apply to EFI and UEFI installations of Windows 7, Windows 8,...