Win11 Clean Install Problems - Windows 10 Help Forums (2025)

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  1. Maynard5

    Posts : 8

    Windows 10 Pro 32 21H2

    New#1

    Win11 Clean Install Problems


    I purchased a used Optiplex 3060 with a 230gb ssd, 8gb memory, W11pro 24H2. I want to do a clean install. I created a Rufus install usb with downloaded W11 iso, booted to the usb. When I got to deleting and selecting a partition, the message “W11 can’t be installed on disk 0 partition 1.” Screen shot.
    There is only one ssd. Why is there a disk 0 and a disk1? And message box “The partition is an EFI system partition (ESP). The selected volume is offline. To install to this volume use the Disk management tool to bring the volume online”. screen shot.
    Stopped the install, Opened disk management, only disk 0 listed? Screen shot.

    Are there hidden partitions that don’t show in disk management?
    Should I delete all the partitions on disk 0 and disk1?
    If the all partitions can't be deleted, will I would have to format the ssd to install W11?
    Will deleting all the partitions eliminate the “can’t be installed” error?

    Thanks in advance for your help, Maynard

    My Computer

    Quote

  2. itsme1

    Posts : 1,635

    windows 10

    New#2


    Delete all partitions on disk 0, partitions 1, 2, 3 and 4. You will end up with unallocated space.

    Select this unallocated space to install Windows.

    My Computer

    Quote

  3. Bree

    Posts : 35,733

    10 Home x64 (22H2) (10 Pro on 2nd pc)

    New#3


    Maynard5 said:

    ... I created a Rufus install usb with downloaded W11 iso, booted to the usb...
    ....There is only one ssd. Why is there a disk 0 and a disk1?

    From the total size (15GB) and the partition names, Disk 1 looks it's your Rufus install USB.
    Follow itsme1's instructions to clean install to disk 0.

    My Computers

    Quote

  4. SIW2

    Posts : 5,191

    several

    New#4


    The message says

    Windows 11 cant be installed on disk0 partition1

    499mb is a bit small to try and install windows it is also an esp partition which is a special type.

    My Computer

    Quote

  5. Volume Z

    Posts : 620

    Windows 10 Pro

    New#5


    It's basically Windows 11 and its new Setup design. "The volume is offline" whaaat? And disk 1 is my installation media?

    But you still have to choose an appropriate partition which you could. It's partition 3. The previous version of Setup would tell you that Windows cannot be installed on an EFI System Partition and the partition is too small.

    My Computer

    Quote

  6. Maynard5

    Posts : 8

    Windows 10 Pro 32 21H2

    Thread Starter

    New#6

    Good info


    I appreciate getting this information.
    Will try again to install W 11 this morning. Thanks, Maynard- - - Updated - - -

    Yes, the Rufus USB with the Win 11 iso was showing as disk 1 along with disk 0 causing the confusion?
    During the install this mornings , disk 1 was not listed?
    The W11 install went well.
    Thanks to everyone for their help. Maynard

    My Computer

    Quote


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