How to Solve No Usable Free Extent Could Be Found [Efficient Solutions]

Despite its simplicity, users have reported encountering specific errors while managing partitions. In this article, we will focus on resolving the error "No Usable Free Extent Could be Found."

"What Is the 'No Usable Free Extent Could Be Found' Error"

Let's begin by assessing the error you're encountering while utilizing Diskpart for managing partitions. As you're aware, Diskpart is an integrated tool for disk management, and you can utilize Diskpart commands for various operations. For instance, you can create, format, and delete partitions with straightforward commands. However, when creating a partition, you might encounter an uncertainty such as: "No usable free extent could be found."

If you encounter this error on your computer, the partition will not be created. However, there can be various reasons behind its failure.

Additionally, there are some links provided to assist with commonly encountered issues:

What Causes the "No Usable FreeExtent Could Be Found" Error

This section will outline the various reasons that can lead to the error "No Usable Free Extent Could be Found." Since this issue pertains to partitions, it can be quite delicate to handle. Nevertheless, it's essential to examine all the possible causes and determine an appropriate solution to prevent it from occurring.

If you have a BIOS system with an MBR (Master Boot Record) disk, it might exhibit certain limitations:

Since it only functions with disk space exceeding 2TB and can create up to 4 partitions, any action outside these limits will result in the corresponding error.

Another possibility is a disk space limitation where you want to create the partition.

Since free space is required for such operations, you should check the status of your drives and proceed with this function.

If Windows doesn't recognize the disk, it won't perform any functions.

Therefore, you will receive an error when attempting to create a partition on this drive.

Six Solutions for "No Usable Free Extent Could Be Found" Error

Having understood the reasons behind the error, we will now explore the potential solutions to prevent the "No Usable Free Extent Could be Found" issue. First, take a broad look at each solution to determine the most suitable approach for your specific situation.

1. Solution 1: Convert MBR to GPT
2. Solution 2: Run Diskpart with Administrator Privileges
3. Solution 3: Free up Disk Space with Disk Cleanup
4. Solution 4: Clean the Disk using Diskpart
5. Solution 5: Run Windows USB Troubleshooter
6. Solution 6: Reinstall the USB Driver

好吧，让我们从第一个修复开始。那就是将MBR转换为GPT。

Fix 1: Convert MBR to GPT In order to resolve the issue, you can convert your computer's Master Boot Record (MBR) to the GUID Partition Table (GPT). This is particularly useful if you're having boot problems or need to take advantage of larger disk sizes supported by GPT. Here's how to do it: 1. **Backup Data**: Before proceeding, make sure to back up all important data as this process will modify your hard drive's partition structure. 2. **Boot into a Live Environment**: You'll need to boot your computer from a USB or DVD with a live version of an operating system like Ubuntu or Windows Installation Media. 3. **Open Disk Utility**: In the live environment, find and open the disk utility tool. For Ubuntu, it's called "Disks"; in Windows, it's "Disk Management." 4. **Identify Your Drive**: Locate the hard drive you want to convert in the list of disks. Make sure you select the correct one, as this process will erase all data on the selected drive. 5. **Convert MBR to GPT**: - **Ubuntu**: In Disks, select the drive, then click the gear icon and choose "Delete Disk and Create New Partition Table." Select "GUID Partition Table (GPT)" from the options. - **Windows**: Right-click on the hard drive in Disk Management, choose "Convert to GPT Disk," and confirm the prompt. 6. **Create Partitions**: After converting to GPT, you'll need to recreate partitions. For Windows, right-click the unallocated space and choose "New Simple Volume." Follow the wizard to create partitions. In Ubuntu, use the ""+" button in Disks to create new partitions. 7. **Reinstall the Operating System**: If necessary, reinstall your operating system to ensure compatibility with the new GPT partition table. 8. **Recover Data**: Finally, restore your backed-up data to the appropriate partitions. Remember that this process may vary depending on your specific hardware and operating system. Always double-check your actions and ensure you have a backup before making any significant changes to your硬盘分区.

MBR disks and partition styles can be quite technical for many users. As a basic computer user, you might prefer using a GPT partition style for better disk management. Rather than complicating the situation, it's advisable to convert from MBR to GPT. The tool tools Partition Master Free can assist with this conversion.

Step 1. Download and launch tools Partition Master on your computer.

Step 2. Proceed to Disk Converter and choose "Convert MBR to GPT," then click "Next" to proceed.

Step 3. Select the target MBR disk that you want to convert to GPT, and click "Convert" to start the process.

Now, you have converted MBR to a GPT disk. Would you like to explore more of its features?

This tool is designed to cater to partition solutions specifically for Windows users. Despite its exceptional ease of use, it offers a range of features that can potentially address various issues related to your computer. To understand why Partition Master stands out in the market, consider the following attributes:

• Convert MBR to GPT without data loss or vice versa.
• It offers all basic disk partition functionalities, including creating, deleting, managing, and formatting partitions.
• Serves users of Windows 11/10/8/8.1/7/XP and Windows Vista, catering to a wide range of user needs.

Please feel free to download it to assist you if you encounter similar issues.

Fix 2: Run Diskpart with Administrator Privileges

Diskpart is a utility provided for Windows users, which might yield errors when used with standard permissions. To overcome the "No Usable Free Extent Could be Found" error, the first solution you can try is running Diskpart with administrative privileges. The procedure is straightforward, as outlined below: 1. Press the Windows key + X on your keyboard. 2. Click on "Command Prompt (Admin)" or "Windows PowerShell (Admin)" depending on your version of Windows. 3. When prompted, confirm with "Yes" to run the command prompt as an administrator. 4. Type "diskpart" and press Enter. 5. Now, type "list disk" and press Enter to view all available disks. 6. Identify the disk you want to work with and type "select disk X," replacing "X" with the disk number. 7. Proceed with your intended Diskpart commands. By running Diskpart with administrative rights, you should be able to execute the commands without encountering the mentioned error.

Step 1: Click on the "Search" icon on the taskbar and type "diskpart" in the search field.

Step 2: As the search results appear, hover your cursor to the right side of the menu and select the "Run as administrator" option.

Fix 3: Free Up Disk Space with Disk Cleanup

Windows users have access to another built-in utility that offers excellent features for freeing up disk space from unneeded files. Disk Cleanup is designed to eliminate unwanted and unnecessary data from a specific drive, thereby conserving space on your hard drive. To learn more about how you can utilize Disk Cleanup to prevent the "No Usable Free Extent Could be Found" error, explore the information provided below:

Step 1: Access the "Search" bar using the "Windows + S" shortcut key. As a menu appears, type "Disk Cleanup" and open the corresponding tool.

Step 2: Next, choose the partition that you wish to manage from the menu and click "OK" to continue.

Step 3: Disk Cleanup automatically scans the drive and presents a list of all the unwanted and unnecessary data it has identified. You can review the files it suggests for deletion and customize the selection if needed. However, after the assessment, proceed with executing the cleanup to successfully free up space on the drive.

Fix 4: Clean the Disk via Diskpart

Although you can use diskpart to create partitions, it can also be utilized to free up space within partitions. If the issue is due to insufficient space on the drive, you'll need to make room before creating a new partition. To carry out this process, follow the steps outlined below:

Step 1: Open "diskpart" by typing it into the "Search" bar on your Windows system. Upon launching it, use the "list disk" command to view your available disks. Then, select the disk you want to clean by typing "select [device number]," replacing "[device number]" with the actual number of the disk you've chosen.

Step 2: Type "clean" to clean the selected disk. After the process is complete, you can easily create the partition. For instance, if you want to create an NTFS partition, you can use the commands "create partition primary" and "format fs=ntfs quick" to execute. Based on your needs, you can also alter the format type from NTFS to FAT32.

Solution 5: Run the Windows USB Troubleshooter If you're experiencing issues with your USB ports not working on your Windows computer, you can try running the built-in Windows USB Troubleshooter to diagnose and potentially fix the problem. Follow these steps: 1. Press the Windows key + I on your keyboard to open the Settings app. 2. Click on "Update & Security" in the Settings window. 3. In the left pane, select "Troubleshoot" or "Get up and running" (depending on your Windows version). 4. Scroll down and click on "Hardware and Devices" or search for "USB" in the troubleshooters list. 5. Click on "Run the troubleshooter" or "Run" next to the USB troubleshooter option. 6. Follow the on-screen instructions as the troubleshooter identifies and attempts to fix any issues with your USB ports. 7. Once the troubleshooter completes, restart your computer and check if the USB ports are functioning properly. If the troubleshooter doesn't resolve the issue, proceed to the next solution.

You can also run the troubleshooter for the drive causing issues when attempting to create partitions. This will automatically search for any software-related errors and attempt to resolve them. To learn how to run the Windows USB troubleshooter, refer to the following steps:

Step 1: On your Windows device, open File Explorer and right-click on the USB drive to display a context menu. From the list of options, choose "Properties" to open a new window.

Step 2: Navigate to the "Tools" tab at the top and then choose "Check" from the options presented. Following that, you need to select the "Scan and Repair Drive" option to initiate a comprehensive diagnostic scan.

Solution 6: Reinstall the USB Driver If the issue persists, it might be due to a faulty or outdated USB driver. To resolve this, follow these steps to reinstall the USB driver: 1. **Uninstall the Current USB Driver:** - Connect your device to the computer. - Press `Win + X` on your keyboard and choose "Device Manager" from the menu. - In the Device Manager window, expand the "Universal Serial Bus controllers" section. - Locate your USB device (it may be listed as "USB Composite Device," "USB Mass Storage Device," or something similar). - Right-click on it and select "Uninstall device." - Confirm the uninstallation when prompted. 2. **Restart Your Computer:** - After uninstalling the driver, restart your computer. This will allow Windows to automatically reinstall the generic USB driver. 3. **Install the Latest USB Driver:** - If the problem continues, visit the manufacturer's website of your computer or USB device to download the latest USB driver. - Download and install the driver following the provided instructions. 4. **Update Drivers via Windows Update:** - Alternatively, you can let Windows search for updated drivers. To do this: - Press `Win + I` to open Settings. - Click on "Update & Security." - Select "Check for updates" to ensure your system is up to date. - Go back to Device Manager, find the USB controller, right-click, and choose "Update driver." - Select "Search automatically for updated driver software." After completing these steps, reconnect your USB device to see if the problem has been resolved.

Issues with the USB driver can also lead to problems when creating partitions using diskpart. If you encounter the specific error message "No Usable Free Extent Could be Found" due to this issue, you should reinstall the USB drivers and follow these steps:

Step 1: Press the Windows + S shortcut key to open the Search menu, then type "Device Manager" and open it.

Step 2: Navigate to the "Universal Serial Bus Controllers" category, expand it, and open the list. Right-click on the corresponding USB driver and choose "Uninstall device" from the context menu.

Step 3: While it gets uninstalled, you must unplug and re-connect the USB device to reinstall the drivers automatically.

Conclusion

This article has thoroughly outlined the steps to take when encountering the "No Usable Free Extent Could Be Found" error in diskpart. By employing these comprehensive solutions, you can promptly diagnose the issue and rectify all existing problems on the drive that is causing this error. The subsequent section addresses some additional questions you may encounter.

Frequently Asked Questions About "No Usable Free Extent Could Be Found"

Are you still puzzled by the "No Usable Free Extent Could be Found" error? We've prepared a few additional questions and their answers to help you understand better:

1. How do I create a partition using Diskpart?

To create a partition using Diskpart, it offers a convenient command-line interface that enables you to manage disk partitions effectively. When you select a specific disk, you can allocate a designated volume by employing the appropriate commands.

2. How do you fix no usable free extent? To address the issue of "no usable free extent," you typically need to free up space on your file system. Here's a step-by-step guide in English: 1. **Check Disk Space**: First, identify which file system partition is running out of space by using a command like `df -h` (on Linux) or `diskutil list` (on macOS). 2. **Identify Large Files**: Use tools like `du -sh *` (Linux/macOS) to find the largest files consuming space. You can also use specialized utilities like `ncdu` or `GrandPerspective` for a more detailed analysis. 3. **Delete Unnecessary Files**: Remove temporary files, logs, caches, or any other data that is no longer needed. Be cautious when deleting system files. 4. **Move Data**: If possible, move large files to another partition or external storage. You can also consider uploading them to cloud storage. 5. **Resize Partitions**: If you have an unused partition, you can resize it to allocate more space to the affected partition. Tools like GParted (Linux) or Disk Utility (macOS) can help with this process. 6. **Optimize File System**: Run file system checks and repairs, such as `fsck` (Linux) or `diskutil repairVolume` (macOS), to fix any inconsistencies that might be causing the issue. 7. **Consider Reformatting**: As a last resort, if all else fails, you may need to reformat the partition and restore data from a backup. Make sure you have a backup before doing this! Remember to exercise caution while manipulating your file system, and always back up important data before making significant changes.

You can consider various methods to address the issue of no available free extent. For instance, you can utilize Disk Cleanup and diskpart tools to free up disk space. Additionally, try troubleshooting the USB drive and reinstalling its drivers as an alternative approach.

3. How do you resolve the "Diskpart encountered an error: Access is denied"?

To achieve this, you need to access the Event Viewer, where you should examine the Windows logs and search for any errors. Investigate these errors and address them appropriately to rectify the issue with Diskpart.