Fix We Couldn'T Create A New Partition Or Locate Existing One

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

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The error "we couldn"t create a new partition" would probably occur when we try lớn clean install the second OS using the bootable USB drive, to dual boot Windows 11/10 with Windows 7 or Windows 8. By choosing custom install and selecting the drive 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 quick overview of all "Windows couldn"t create a new partition" scenarios và possible solutions. Click to lớn see the full solutions to fix "we could not create a new partition or locate an existing one" Windows 11/10 USB, error 0x8004240f, 0x80042468, SSD, RAID, unallocated space, và many other related errors.

Error DetailsWorkable Solutions
1. During Windows 11/10 InstallationTry solutions one by one in this article...Full steps
2. Error 0x8004240f, 0x80042468Format your hard drive...Full steps
3. Occur to SSD, RAID, USB

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

4. Occur khổng lồ Dual BootCheck BIOS settings, change MBR to 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, or an SD card. Just remove và disconnect all external storage drives from the USB port. If you"re using a USB drive containing thiết đặt files to install OS, reconnect only the bootable USB drive and start again.

Solution 2. Format the partition using Diskpart

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

Step 1. Start Windows 11/10/8.1/8/7/XP/Vista setup using a bootable USB or DVD.

Step 2. If you get the We couldn’t create a new partition error message, close the thiết lập and click the "Repair" button.

Step 3. Choose "Advanced tools" và then select "Command Prompt".

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

Step 5. Now enter list disk. You should see the danh mục of all hard drives connected khổng lồ your computer.

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

Step 7.  Enter the following lines và 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 khổng lồ close the Command Prompt.

Step 9. Start the installation process again.

Solution 3. Make your partition active Using Diskpart

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

Step 1. Enter list disk.

Step 2. You should see the list of available hard drives. Locate your hard drive and enter select disk 0. We used disk 0 in our example, so be sure khổng lồ replace 0 with a number that represents your hard drive.

Step 3. Enter list partition.

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

Step 5. Enter active.


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

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

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

Step 1. Run partition manager software. On the disk map, right-click the traget partition & choose "Advanced".

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

Solution 5. Create a bootable USB drive using other tools

You must try khổng lồ create a bootable USB drive lớn boot your computer và install Windows 11/10 if Windows cannot create a new partition happened lớn the truyền thông Creation Tool. This kind of error would likely be solved by using third-party tools, và Partition Master can help you create a bootable USB drive to format a hard drive, kiểm tra partitions, or create a new partition on unallocated space.

Follow the steps khổng lồ create the Partition Master bootable USB drive:

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

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

Step 3. You can choose the USB or CD/DVD when the drive is available. However, if you vày not have a storage device at hand, you can also save the ISO file to a local drive, và later burn it to lớn a storage media. Once made the option, click the "Proceed" button khổng lồ begin.

When the process finishes, you have successfully created an Partition Master WinPE bootable disk. Now, you can manage your hard disks and partitions through the bootable drive whenever the computer fails khổng lồ boot normally.

If you have RAID drives, load the RAID driver first by clicking địa chỉ 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 video clip tutorial shows how khổng lồ partition a hard drive with Partition Master. You can learn how to lớn resize the drive space, create a partition, & delete the partition. 

Solution 6. Convert khổng lồ partition lớn the GPT format

Partition styles would affect the Windows 11/10 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 size. However, GPT doesn"t have a size limitation. You might be able lớn fix the We couldn"t create a new partition error by converting the MBR partition khổng lồ GPT partition.

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

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

Generally, there are three methods to convert MBR to lớn 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 Partition Master, which converts MBR to GPT directly with nothing khổng lồ be touched.

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

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

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

Step 2. Use the mouse arrow khổng lồ move the connected USB drive khổng lồ the đứng top under the boot device menu.

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

Other Install Windows Errors & 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 11/10 installation. There are other commonly known Windows installation errors that prevent us from installing a Windows 11/10 operating system from the beginning.

1. Windows cannot complete the installation 

If you happen to receive the persistent "Windows could not complete the installation" error and system reboot loop over và over, you"re probably trying khổng lồ install Windows 7/Windows 11/10 x64 operating system, or perhaps the fresh Windows installation is interrupted before a user trương mục is created. You got three fixes khổng lồ remove the error Windows cannot complete the installation.

2. Windows won"t install from USB

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