How to Fix "We Couldn't Create a New Partition" Error on Windows

Why unable to create a new partition?

Creating a new partition is an important step to store your computer files. However, when you want to reallocate your computer storage and try to create a new partition on Windows setup or using another Windows program, like disk management, or Command Prompt, you may receive a error saying "We couldn't create a new partition" sometimes it comes with an error code like "0x830ca050", "0x80070017".

This problem can happen due to many causes, including corrupted system files, incompatible hardware, and insufficient disk storage.

• Damaged file system: The system file required to manage the disk may be corrupted, causing errors during partition creation.
• Disk Error: A physical error on the disk or a cause that may prevent the creation of a new partition.
• Incompatible hardware: Some hardware may not be compatible with the disk management process, causing the error.
• Insufficient disk space: Trying to create a partition without space on the disk may cause this error.

How to fix the error "we couldn't create a new partition" on Windows 11/10/8/7

Don't worry, here we provide several working solutions. When you encounter "we couldn't create a new partition or locate an existing one" or other partition creation problems on Windows 11/10/8/7, you can try these solutions to fix it.   

Solution 1. Try 3rd party partition tool to create partition

When you can't partition your hard drive, the fastest and easiest way to create a new partition is to use a professional partition tool like AOMEI Partition Assistant.

It uses a user-friendly interface implying the whole partition creation process. It is easy for most people. And more importantly, It supports creating a bootable media to boot up your computer and then create a partition. It is very helpful that you had the problem during Windows setup. 

Now you can download the tool, and then we will guide you on how to create a bootable media to boot up your computer and create a partition. If your computer can boot up normally, you don't need to create it. Directly download AOMEI Partition Assiant and create partition. 

Create a bootable Media:

Step 1. Attach a USB flash drive or insert a blank CD/DVD to a computer that can normally boot up. Run AOMEI Partition Assistant. Click the "Tools" main tab and select "Make Bootable Media".

Step 2. Click "Next" and choose a device: Create a bootable USB drive or a bootable CD/DVD.

Step 3. Follow the program prompts to finish the process of creating bootable media. 

Boot up your computer with the bootable media.

Step 1. Insert the bootable USB or CD/DVD to the computer that can't create a partition. Turn on the computer, when the logo appears on the screen, immediately tap the BIOS key.

Step 2. In the BIOS setup, use the arrow keys to choose the "Boot" tab, and select "Change boot order". And set the media as the boot media.

Create a new partition:

Step 1. On the AOMEI Partition Assistant. Right-click the partition like C drive and select “Create Partition”.

Step 2. In the pop-up window, specify the size for creating a new partition.

Step 3. Now you can click the “Apply” button to commit the pending operation.

Solution 2: Check disk error using command prompt

Running the CHKDSK command to check your computer disk is a common solution to hard drive and partition errors. Here is how to perform it.

Step 1. Type cmd in the search box. Right-click the Command Prompt, and choose "run as an administrator".

Step 2. When the Command Promot is opened. type "chkdsk /f /r" and press Enter.

Step 3. Follow the instructions on the screen, schedule disk check on the next system restart.

Then restart your computer and allow the process to be completed.

Solution 3: Repair corrupted system files

To check and repair, you can use the "sfc scannow" command.

Step 1. Run Command Prompt as administrator.

Step 2.  Type "sfc /scannow" and then press Enter.

Solution 4: Use the Disk Management tool to create new partition

When you can't create a new partition in Windows setup. You can complete the Windows setup, and then go to create a new partition with Disk Management. 

Step 1. Right-click on the Start button or press Win + X on your keyboard.

Step 2. Select Disk Management from the context menu.

Step 3. In the Disk Management window, you will see a list of all your drives. Find the drive you want to partition. Ensure there is unallocated space on the drive. If not, you might need to shrink an existing volume to create unallocated space.

Step 4. Right-click on the unallocated space and select New Simple Volume.

Solution 5: Update Disk Drivers

Step 1. Press Windows + X and select Device Manager from the menu. Alternatively, you can press Windows + R, type devmgmt.msc, and press Enter.

Step 2. In Device Manager, find and expand the Disk drives category. You should see a list of all the disk drives connected to your computer.

Step 3. Right-click on the disk drive that is unable to create a new partition. Select the "Update Driver" option.

Solution 6: Release disk space

Insufficient disk space can be one of the causes of the "we couldn't create a new partition" in Windows. There are some tip about freeing up your disk storage.

► Delete unnecessary files and programs and release disk space.

► Use the disk cleaner to remove temporary files and system junk.

1. Press the Windows key, type Disk Cleanup, and press Enter. Or you can press Windows + R, type cleanmgr, and press Enter.

2. A dialog box will appear asking you to select the drive you want to clean. Typically, this will be the C: drive. Select it and click OK.

3. Disk Cleanup will calculate how much space you can free up. This might take a few moments. Once the scan is complete, you’ll see a list of file categories you can delete. Check the boxes next to the types of files you want to delete. To see more options, click on Clean up system files.

► Consider transferring data to an external drive to create more disk space.

Tip: How to backup your Windows computer

It is suggested to back up your computer data before you fix the "couldn't create a new partition" on Windows. To fix thing easier, here we recommend an easy-to-use and professional Windows backup software - AOMEI Backupper. 

It offers Disk Bakcup, System Backup, Partition Backup, Email Backup, and other backup ways to backup your Windows data. Click the download button to protect your Windows data.

Step 1. Choose Backup on the left pane of this AOMEI Backupper. Choose a backup way here we choose Disk Backup.

Step 2. Click Add Disk to select your computer disk, and hit Add.

Step 3. Select a destination with sufficient space. and click Start Backup.

FAQs about "we couldn't create a new partition"

1. Why can't I create a new partition in Windows 10 settings?

- This problem can occur for a variety of reasons, such as system file corruption, disk error or insufficient disk space. Fix the error by following the repair steps described in this guide.

2. What should I do if the Disk Manager cannot create a new partition?

- If disk management fails, try using third-party partitioning software, or use the command-tip disk check tool to check for drive errors.

3. Could incompatible hardware cause partition creation errors?

- Yes, incompatible hardware components may interfere with disk management. Make sure all hardware components are compatible with your system and modern drivers.

4. Is it safe to use third-party partitioning tools to create partitions?

While third party tools may be effective, make sure you use well-known software from reliable sources to avoid potential data loss or system instability.

5. How to prevent future "We can't create new partitions" errors?

Reduce the likelihood of encountering this error by regularly booting your system by updating drivers, detecting disks, and effectively managing disk space.

Conclusion

In conclusion, encountering the "We Couldn't Create a New Partition" error can be challenging, but with the right troubleshooting steps and precautions, you can effectively resolve this issue and proceed with your disk management tasks.

Don't forget to backup your important computer files in case any error occurs. It is better to regularly backup your important data with AOMEI Backupper to avoid data loss.