I have a laptop that I am trying to do a clean install of Windows 7 on, but I am
unable to remove the old installation. When I boot from the USB and get to the
“where do you want to install Windows” window, I can’t Delete or Format on Disk 0
partition 2: eMachine. I could select them for the other partitions, but not for the
system partition, and I get the following error message when I format it with
Virtual Disk Service Error:
Format is not allowed on the current boot, system, pagefile, crashdump or hibernation
Why format is not allowed on the current boot partition?
As you know, the boot partition (system partition) is a primary partition
thatcontains the system files, and the supporting files responsible for booting the
operating system. Be default, the Windows operating system files are in the Windows
folder, and the supporting files are in the Windows\System32 folder. If the system
files is corrupted or damaged, your computer could not be bootable. Thus, Windows
would not allow you to format the current boot partition. That’s why you get this
format is not allowed on the current boot issue.
Format system boot partition along with several ways
However, we will introduce you the best two ways to fix diskpart format is not
allowed on the current boot error: Windows installation disc and the best free disk
partitioning software-AOMEI Partition
Using Windows 10/8.1/8/7 Installation Disc
If you have Windows 7/8/8.1/10 installation disc, you could boot your Windows PC from
it, then format the boot partition or use DiskPart command to format. You could
refer to these detailed steps:
1. Put the Windows installation disc into your Windows 7/8/8.1/10 PC, boot from
2. Select a language to install, click Next.
3. Press Install Now at the next window, the program will ask you that where do you
want to install Windows, choose C drive and click Format to initialize the system
Or you can also press Shift+F10 key combination to open DiskPartat the Windows Setup screen, then follow the below commands to do this boot
Select disk n (the n represents the disk number listed that
you want to format)
Clean (this command will delete all the data on the selected
Create partition primary
Assign letter X: (the X: is the drive letter for
After that, you will fix the problem “format is not allowed on the current boot”
securely. Obviously, you could try another reliable way to format boot/system
partition with AOMEI Partition Assistant Standard.
Using the best disk partitioning software
You must be familiar with AOMEI Products if you are a computer experts. The best free
disk manager-AOMEI Partition Assistant Standard is a reliable and comprehensive
software that you can trust. It supports you to create bootable media then format
the system partition to fix the system partition could not be formatted problem. The
steps are listed below:
1. Please prepare a 16GB USB flash drive and download AOMEI Partition Assistant Standard in
your Windows 7/8/8.1/10 PC, then execute to open this program.
2. Choose Make Bootable Media at the left panel.
3. Click Next.
4. Choose USB Boot Device to create a Windows 7/8/8.1/10 bootable
media and press Proceed.
5. Then boot your Windows 10/8/7 PC from the media, then format the current
boot/system partition correctly.
You will find that using DiskPart to format is not allowed on the current boot error
will be fixed. Furthermore, AOMEI Partition Assistant Standard allows you to manage
your hard drive with resize, split, extend partition, merge partitions, etc. Like
the advanced functions such as migrate OS
to SSD, allocate free space, copy disk,
and quick partition are provided by the professional edition. For
server users, you could enjoy all of the functions with AOMEI Partition Assistant