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Setup was unable to create a new system partition or locate an existing system partition? We couldn’t create a new partition or locate an existing one? Now, this post lists 3 reasons as well as solutions khổng lồ fix this issue effectively and quickly.

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thiết đặt was Unable to Create a New System Partition

We couldn’t create a new partition or locate an existing one? Have you ever encountered the following problem? When attempting lớn install any version of Windows, you may go the following message:

Setup was unable khổng lồ create a new system partition or locate an existing system partition. See the thiết đặt log files for more information.

What causes this error?

Why can we not install Windows?

How to lớn solve this problem?

Here, this post will show 3 possible reasons in order. Knowing the exact reason, you can solve the problem with ease. Of course, not all reasons are covered here, và this post just introduces those we have found so far.

Setup was Unable khổng lồ Create a New System Partition. The Selected Disk is Logical Drive

Reason: If you install Windows on a logical drive, you may receive the warning: “Setup was unable to lớn create a new system partition”. (as below)

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As we know, logical partitions can also be used khổng lồ install Windows, but there must be a primary partition khổng lồ save boot files. In addition, only one primary partition on one hard disk can be set as active to boot operating system at a time.

You could get more information from previous post “Primary partition VS logical drive.”

To giảm giá khuyến mãi with the error - we couldn’t create a new partition or locate an existing one, you had better convert the logical partition to primary partition and then make it active.

A piece of simple, professional partitioning tool namely MiniTool Partition Wizard is recommended here. This tool offers wizard-based operation, high security and excellent performance. The không tính tiền edition doesn’t provide Bootable truyền thông media Builder. Maybe, you can try the professional edition.

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Detailed steps are here.

Step 1: You need to boot your computer via MiniTool Partition Wizard Bootable Disc to lớn get the following window. Here, please choose the first option "Partition Wizard" to lớn enter the main interface of MiniTool Partition Wizard.

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Step 2: In this window, select the logical partition và then click “Set Partition as Primary” button on the Change Partition.

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Step 3: Click the primary partition & then choose “Set Active” button from left kích hoạt panel.

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Step 4: Click “Apply” & tap “Yes” to lớn perform all changes.

Now, you have an active partition as well as primary partition. At this time, you can continue lớn install Windows.

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Setup was Unable to Create a New System Partition. Phối SATA Controller Mode Incorrectly.

Reason: Sometimes, if you mix SATA controller mode incorrectly (with incorrect drive mode, the very disk cannot be used normally), you will also get the error “we couldn’t create a new partition or locate an existing one.”

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Changing the mode to correct state would be a solution. If the current state is IDE, change it to AHCI. If the current mode is AHCI, change it to lớn IDE.

IDE is considered adequate for the average computer user, và is the most compatible with other technology, particularly older devices. However, it lacks tư vấn for new technologies.

AHCI supports some important new features that IDE does not, such as native command queuing and hot-plugging hard drives. It also offers an improvement performance (speed) over IDE.

For more information about these two different modes, please see ACHI vs. IDE.

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Setup was Unable khổng lồ Create a New System Partition. Windows Cannot Identify the Disk.

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Reason: Sometimes, when installing Windows from USB drive, external drive, thumb drive, USB stick, instead of using a CD or DVD, you might get this error: “Setup was unable lớn create a new system partition or locate an existing system partition.”

This error is basically hardware dependent & its appearance varies from PC lớn PC. It depends on your motherboard, your USB interface, the USB stick you are using for installing the OS, & the version of Windows (including Windows Vista, Windows 7, Windows 8, & Windows 10) you are installing.

Broadly the main result of this error is Windows cannot identify the disk on which it should install the system partition.

As we know, during setup, Windows must identify which drive is your primary boot drive in order lớn correctly configure the MBR & bootloader. However, if you are installing Windows with a larger USB drive, Windows thiết lập can sometimes be unable lớn tell which drive is an external USB drive và which drive is a local disk that Windows should be installed to.

Besides, if you have configured your BIOS to lớn boot from the USB drive first always, Windows also cannot reliably determine which one is the boot drive. Also, some USB sticks present themselves khổng lồ Microsoft Windows as a regular drive instead of identifying as a bootable USB.


Next, let’s see 3 basic yet useful solutions khổng lồ help to get rid of this issue that we couldn’t create a new partition or locate an existing one.

Method 1: Remove unwanted storage devices.

See! If there are so many drives, Windows may not identify which one is the boot drive.

At this time, you can remove all the additional storage devices lượt thích SD card, internal/external hard disk, USB drives. Only keep the devices (USB drive & the drive in which you’re installing Windows) that are required for installing the OS.

After doing that, Windows should be able khổng lồ identify your disk properly for installation of the system partition.

If this method doesn’t work, now let’s start with method two.

Method 2: Eject and re-insert the USB.

To fix the error - couldn’t create a new partition or locate an existing one, you can eject và re-set the USB drive to force Windows lớn re-arrange its ordering of the drives. 

Step 1: When you see the error message “Setup was unable lớn create a new system partition or locate an existing system partition,” remove your Windows USB drive from the PC (don’t worry, this is safe since no read or write operations are being made from the USB disk).

Step 2: Press the red “X” button in the vị trí cao nhất right corner khổng lồ exit the installation wizard. Then, you will revive a warning: “To install or tăng cấp Windows, you must run Windows installation. Are you sure you want to cancel Windows installation?” Now, you just need to lớn click “Yes” to lớn continue.

Step 3: Start the installation from the beginning without inserting USB drive.

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Step 4: You’ll see an error about Windows is unable to locate cài đặt files, và asks you to lớn load a CD/DVD driver for Windows cài đặt to proceed. At this time, click “OK” button to lớn go back to the main thiết lập window again.

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Step 5: Re-insert your USB drive at this point, và then select “Install Now” again.

Now, everything should go as planned since Windows has been forced lớn recognize that the thiết lập USB is a removable drive, và it can identify the correct boot drive to install the Windows boot files.


However, this method only works well on Windows 7, and it may not help you when you install Windows 8, Windows 8.1 or Windows 10. At this time, try using the following method which will be appropriate for any Windows versions.

Want lớn know the best way?

Method 3: Install Windows directly from hard disk.

If the above methods cannot help lớn move out the error “Setup was unable to lớn create a new system partition,” you can try installing Windows directly from hard disk.

However, this method requires copying all installation files from USB flash drive khổng lồ your local drive, and you need lớn make this local drive bootable. Detailed steps are shown here.

Step one: Create partition for Windows installation

1: Press Shift + F10 at the dialog where you see the error message in question to bring up a command line console.

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2: Type diskpart and press Enter in the command line window.

3: Type list disk and press Enter.

4: Type select disk = N (N is your local disk drive.), và then press Enter.

5: Type clean and press Enter.

6: Type create partition primary và press Enter.

7: Type select partition 1 & press Enter.

8: Type active và press Enter.

9: Type format fs = ntfs quick & press Enter to lớn format the partition with NTFS tệp tin system type.

10: Type assign và press Enter to lớn assign the partition a drive letter.

11: Type exit & press Enter.

Now you have a bootable drive lượt thích C. Next, you need khổng lồ transfer files in USB drive lớn it.

Step two: Copy the installation files to the newly created partition

1: mở cửa diskpart window again, và then navigate to lớn USB flash drive. For example, type cd d: và press Enter

2: Type xcopy d: c: /e /h /k & press Enter.

3: Go to boot folder: cd boot.

4: Make you C: drive bootable with the following command:

bootsect /nt60 c:

bootsect /nt60 c: /mbr

5: Eject the USB drive from your computer, & restart.

6: Boot back into Windows thiết lập and select Install Now.

After all operations are done, you are able to boot into Windows cài đặt using your local hard disk instead of USB drive và the error “Setup was unable khổng lồ create a new system partition” should no longer appear.

Although diskpart is workable lớn create boot partition as well as copy files, this tool requires complex commands. So, users who are unfamiliar with these commands are easy khổng lồ make mistakes, thus suffering data loss.

In this situation, users can try using a professional, green and miễn phí tool namely MiniTool Partition Wizard. This tool not only can help lớn copy all data saved on the USB drive khổng lồ another one but also can create boot partition, rebuild MBR and more.

For more information about copying drive with ease, you can see “Clone Hard Drive with Best Disk Cloning Software.”

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Now, three possible reasons for this error “we couldn’t create a new partition or locate an existing one” have been listed, và corresponding solutions are also shown. If you are troubled by this error, find the exact reason by referring to lớn possible reasons we give & then feel safe khổng lồ try our solutions.

Next, we will show one necessary tool to lớn help you use Windows perfectly.

One Necessary Tool for Windows – MiniTool Partition Wizard

Best partition manager, MiniTool Partition Wizard, can help to easily và quickly manage disks as well as partitions. With this tool, we can solve different kinds of problems.

We can copy disk to upgrade the small old hard disk to larger newer one without reinstalling Windows and all other installed programs, and more.We can migrate OS to SSD/HD lớn shorten the boot time và enhance the performance of the computer.We can divide our hard drive into several partitions lớn leave a partition for operating system and one to lớn store personal data.

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To know more details about this tool, please click the Play button.

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Conclusion

Did you get the warning: “Setup was unable khổng lồ create a new system partition or locate an existing system partition, see the thiết đặt log files for more information” during Windows installation? Have you found the exact reason và corresponding solution?

If you have any other good solutions lớn solve the “we couldn’t create a new partition or locate an existing one” issue, please chia sẻ it with us.

If you have any problem with this issue - cài đặt was unable khổng lồ create a new system partition, please feel không tính phí to leave it in the below comments. Much appreciated!

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ABOUT THE AUTHOR


Bella Follow us

Position: Columnist

It’s going lớn be 6 years since Bella came khổng lồ MiniTool family. She has been writing tech articles for many years. Her special focuses are đoạn phim editing tips, change video clip format, data recovery, & manage partitions. She loves khổng lồ travel & likes lớn try all new things.