Issue: How to Fix Windows 10 Installation Error “We couldn't create a new partition”?
When I try to clean install the second OS using a bootable USB drive, I receive an error saying “We couldn’t create a new partition or locate an existing one. For more information, see the Setup log files.” This happens when I select the driver to install OS and then the error code emerges. Could you please tell me why this is happening? Thanks!
Windows 10 has already scored Windows 8, 8.1 and other older versions in terms of the new users and new features adopted by them. However, the newest version of OS released by Microsoft is achieving the record, but not only positive ones. If you would visit the official Microsoft’s forum or any IT-related discussion forum, you would see how many trouble people encounter while using Windows 10. Probably each Windows 10 user knows well what BSOD (Blue Screen of Death) or a pop-up error message (usually grey-toned with a red X button at the top-right corner of the screen) is. These are the Windows 10 bug cases when the user has already installed the OS. There are thousands of people who cannot install Windows 10, regardless of whether they are trying to upgrade the older Windows version or perform a clean install. This time, we want to address the type of bug, which prevents people from installing Windows 10. “We couldn’t create a new partition or locate an existing one. For more information, see the Setup log files” is the name of the error. Usually, it shows up when people attempt to perform a clean Windows 10 install using a bootable USB drive, but it may also emerge when trying to upgrade Windows 7, 8, 8.1, etc. to Windows 10 using an update. Luckily, “We couldn’t create a new partition” error on Windows 10 is not invincible. There is a couple of fixes that may help you to work around it and successfully install Windows 10. Here’s what you can try!
How to Fix Windows 10 Installation Error “We couldn’t create a new partition”?
Method 1. Remove all peripherals
“We couldn’t create a new partition or locate an existing one. For more information, see the Setup log files” error may be triggered by some peripherals connected to your PC or laptop. This may be a HDD, USB, SSD, SD card, a camera, etc. Therefore, to start with, disconnect all external drives plugged in the USB port and then try to install Windows 10 again. If that did not help, then move on to the Method 2.
Method 2. Use diskpart
If the trick with external drive disconnection did not help, you may need to perform a bit more complicated steps to fix “We couldn’t create a new partition or locate an existing one” error. The reason why you receive this error is related to the failure while setting a partition which is going to hold Windows setup files and boot files. Therefore, to fix “We couldn’t create a new partition or locate an existing one” bug you have to set the partition to which you want to install Windows as primary and this can be done using diskpart utility. Here’s what you have to do:
- Insert your USB that hold a Windows installation media and press any key to boot your PC from it.
- If you are greeted with “We couldn’t create a new partition or locate an existing one” error, close the setup and select Repair.
- Select Advanced and click Command Prompt.
- Type diskpart in the Command Prompt window and press Enter.
- After that, enter list disk command to receive the list of all hard drives connected to your PC.
- Locate the value that indicates your hard drive and type select disk 1 (1 stands as an example, so type the number
- that represents your hard drive instead).
- Then type the following commands and hit Enter after each of them:
disk 0 clean
disk 0 create partition primary
disk 0 active
disk 0 format fs=ntfs quick
disk 0 assign
- Type Exit to close Command Prompt and try to install Windows 10.
Hopefully, you have managed to fix “We couldn’t create a new partition” error and installed Windows 10 successfully. Once you set up all settings according to your preferences, install a PC optimization, such as ReimageMac Washing Machine X9. It will maintain the OS so that it would function smoothly.
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