How to fix setup was unable to create a new system partition

Configurare noua (How To)

Situatie

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, or Windows 10.

Depending on how your PC is configured and which hardware you are using, Windows setup can sometimes be unable to tell which drive is an external USB drive and which drive is a local disk that Windows should be installed to. This especially happens when using larger USB drives to install Windows or if you have configured your BIOS to boot from the USB drive first always. Also, some USB sticks present themselves to Microsoft Windows as a regular drive instead of identifying as a bootable USB.

Solutie

Pasi de urmat
Eject and re-insert the USB
  1. Upon seeing the error message “Setup was unable to create a new system partition or locate an existing system partition,” remove your Windows setup USB from the PC (don’t worry, this is safe since no read or write operations are being made from the USB disk).
  2. Press the red “X” button to exit the installation wizard. You will be asked to confirm that you’re sure you want to do this and that Windows will not be installed if you do. Press OK and exit anyway. You won’t actually leave the setup environment, you’ll just be taken back to the main page.
  3. Back at the main setup page, select “Install Now” without re-inserting your USB stick.
  4. Click “OK” then exit the setup dialog once more to return to the main setup screen.
  5. Re-insert your USB at this point, then select “Install Now” again.
Manually create the boot partition
  1. Press Shift+F10 at the dialog where you see the error message in question to bring up a command line console.
  2. In the console, type diskpart.exe and press enter.
  3. Now type in the following within diskpart:
    • list disk (and make note of the disk number to install Windows to)
    • select disk=0 (where disk 0 is your destination drive, so be careful, all information on this drive will be removed)
    • clean
    • convert mbr
    • create partition primary size=xxx(where xxx – is the size of new partition)
    • select partition=1
    • active
    • format fs=ntfs quick
    • assign
    • exit
  4. Use wmic logicaldisk get caption to list all your drives
  5. Navigate to USB flash drive, for example: d: (your USB-Drive contains a boot folder)
  6. Copy all files from USB drive to C: drive: xcopy d: c: /e /h /k
  7. Make your C: drive bootable with following command:
    • bootsect /nt60 c:
    • bootsect /nt60 c:  /mbr
  8. Eject the USB drive from your computer, and restart
  9. Boot back into Windows setup and select “Install Now”.

Tip solutie

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