We couldn't create a new partition or locate an existing one

"We couldn"t create a new partition or locate an existing one. For more information, see the Setup log files".

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The error "we couldn"t create a new partition" would probably occur when we try to lớn clean install the second OS using the bootable USB drive, to lớn dual boot Windows 10 with Windows 7 or Windows 8. By choosing custom install and selecting the drive sầu where the OS supposed lớn install, Windows says that it couldn"t create a new partition or locate an existing one. 

We Couldn"t Create A New Partition Error Messages and Fixes

The following table shows a quiông xã overview of all "Windows couldn"t create a new partition" scenartiện ích ios & possible solutions. Click to lớn see the full solutions lớn fix "we could not create a new partition or locate an existing one" Windows 10 USB, error 0x8004240f, 0x80042468, SSD, RAID, unallocated space, và many other related errors.

Error DetailsWorkable Solutions
1. During Windows 10 InstallationTry solutions one by one in this article...Full steps
2. Error 0x8004240f, 0x80042468Format your hard drive...Full steps
3. Occur to lớn SSD, RAID, USB

Remove additional hard drives...Full stepsSet hard drive as the first boot device...Full steps

4. Occur to Dual BootCheck BIOS settings, change MBR lớn GPT...Full steps

Solution 1. Disconnect any peripherals with PC/Laptop

When you encountered this error message, it"s probably because there are some peripherals connected, such as an external HDD, SSD, USB thumb drive/flash drive sầu, or an SD thẻ. Just remove và disconnect all external storage drives from the USB port. If you"re using a USB drive containing cài đặt files lớn install OS, reconnect only the bootable USB drive sầu và start again.

Solution 2. Format the partition using Diskpart

Sometimes you need to lớn take further steps lớn fix "we couldn"t create a new partition or locate an existing one" error. Generally, the partition that holds Windows thiết lập files & boot files should be phối as primary, which requires the help of Diskpart in Windows. About how khổng lồ start & run Diskpart commands khổng lồ fix the issue, please follow the guide carefully.

Step 1. Start Windows 10/8.1/8/7/XP/Vista cài đặt using a bootable USB or DVD.

Step 2. If you get the We couldn’t create a new partition error message, cthua kém the thiết đặt and cliông chồng the "Repair" button.

Step 3. Choose "Advanced tools" and then select "Comm& Prompt".

Step 4. When Commvà Prompt opens, enter start diskpart.

Step 5. Now enter list disk. You should see the list of all hard drives connected lớn your computer.

Step 6. Find the number that represents your hard drive and then enter select disk 0 (we used 0 as an example, so be sure to lớn replace 0 with a number that matches your hard drive).

Step 7.  Enter the following lines and press Enter after each line:

disk 0 cleandisk 0 create partition primarydisk 0 activedisk 0 format fs=ntfs quickdisk 0 assign

Step 8. Enter exit in order to cthua the Command Prompt.

Step 9. Start the installation process again.

Solution 3. Make your partition active sầu Using Diskpart

Repeat the steps (1-4) above to open the Diskpart first. Run Diskpart commands we taught as below, và try to mix the partition where you want to lớn install Windows OS as active sầu.

Step 1. Enter các mục disk.

Step 2. You should see the các mục of available hard drives. Locate your hard drive & enter select disk 0. We used disk 0 in our example, so be sure to replace 0 with a number that represents your hard drive sầu.

Step 3. Enter các mục partition.

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Step 4. A list of available partitions will appear. Locate the partition on which you want to install the Windows system & enter select partition 1. Remember khổng lồ replace 1 with a number that matches your partition.

Step 5. Enter active.


Step 6: Type exit & press "Enter“ to lớn exit the Command Prompt.

Solution 4. Mark your partition active sầu using third-các buổi party partition manager

Diskpart is somewhat complex to operate, users should be careful to apply it. If you want khổng lồ avoid any mistake, turn lớn a Diskpart alternative sầu - wpuonline.com Partition master. It"s a third-các buổi party disk và partition magic software, which is simple and powerful khổng lồ solve sầu the "we couldn"t create a new partition or locate an existing one" error by setting the desired partition primary và active sầu.

Step 1. Run wpuonline.com partition manager software. On the disk bản đồ, right-clichồng the traget partition và choose "Advanced".

Step 2. Then, select "Set Active" from the drop-down menu. The software will automatically execute the operation and create an active partition for you.


Solution 5. Create a bootable USB drive using other tools

You must try lớn create a bootable USB drive to lớn boot your computer and install Windows 10 if Windows cannot create a new partition happened to lớn the Media Creation Tool. This kind of error would likely be solved by using third-party tools, & wpuonline.com Partition Master can help you create a bootable USB drive to format a hard drive, check partitions, or create a new partition on unallocated space.

Follow the steps to create the wpuonline.com Partition Master bootable USB drive:

Step 1. To create a bootable disk of wpuonline.com Partition Master, you should prepare a storage media, like a USB drive, flash drive or a CD/DVD disc. Then, correctly connect the drive sầu lớn your computer.

Step 2. Launch wpuonline.com Partition Master, find the "WinPE Creator" feature on the top. Clichồng on it.


Step 3. You can choose the USB or CD/DVD when the drive sầu is available. However, if you vì not have sầu a storage device at hvà, you can also save the ISO file lớn a local drive sầu, & later burn it lớn a storage truyền thông. Once made the option, cliông chồng the "Proceed" button lớn begin.


When the process finishes, you have successfully created an wpuonline.com Partition Master WinPE bootable disk. Now, you can manage your hard disks và partitions through the bootable drive sầu whenever the computer fails lớn boot normally.

If you have sầu RAID drives, load the RAID driver first by clicking Add Driver from the thực đơn bar, which can help you add the driver of your device under WinPE environment, as some specific device cannot be recognized under WinPE environment without drivers installed, such as RAID or some specific hard disk.

The following Clip tutorial shows how to partition a hard drive with wpuonline.com Partition Master. You can learn how lớn resize the drive space, create a partition, and delete the partition. 

Solution 6. Convert lớn partition lớn the GPT format

Partition styles would affect the Windows 10 installation result. If you know MBR và GPT for a little, you should know that MBR has a limitation that they can only work with drives that are less than 2TB in form size. However, GPT doesn"t have a form size limitation. You might be able to fix the We couldn"t create a new partition error by converting the MBR partition to lớn GPT partition.

Further reading: MBR vs GPT. What"s the Difference?

Method 1. Convert MBR to lớn GPT with wpuonline.com Partition MasterMethod 2. Convert MBR lớn GPT using Windows Disk ManagementMethod 3. Convert MBR lớn GPT using Diskpart command

Generally, there are three methods to lớn convert MBR to GPT. You must be careful with the given methods because using Windows Disk Management and Diskpart will cause data loss. To fix the Windows couldn"t create a new partition error without losing data, the only choice is with wpuonline.com Partition Master, which converts MBR to lớn GPT directly with nothing lớn be touched.

Solution 7. Set the USB drive as the first boot device in BIOS

Another chance to lớn get the is that Windows recognizes the wrong boot device. To fix this problem, you"ll need khổng lồ change the hard drive sequence & set the USB drive as the first boot device.

Step 1. According to lớn your motherboard manual, you should press the matched key khổng lồ enter into lớn BIOS. Usually, it"s F12, F10, F1, F2 or CTRL + ALT + ESC...

Step 2. Use the mouse arrow to move the connected USB drive to lớn the top under the boot device thực đơn.

Step 3. Restart the PC và let Windows boot from the USB drive this time. Start the installation process again.

Other Install Windows Errors and Solutions

"We couldn"t create a new partition or locate an existing one" is not the only error message we would encounter during the Windows 10 installation. There are other commonly known Windows installation errors that prevent us from installing a Windows 10 operating system from the beginning.

1. Windows cannot complete the installation 

If you happen lớn receive the persistent "Windows could not complete the installation" error and system reboot loop over and over, you"re probably trying to install Windows 7/Windows 10 x64 operating system, or perhaps the fresh Windows installation is interrupted before a user tài khoản is created. You got three fixes lớn remove sầu the error Windows cannot complete the installation.

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2. Windows won"t install from USB

It"s the error happened khổng lồ Windows Media Creation. When the Windows won"t install from USB, you"ll try to fix it by checking if the USB drive is bootable, making sure that your computer supports to lớn boot from USB, và mix your computer khổng lồ boot from the USB.

Chuyên mục: Tin tức