How to Resolve the "No Partition Selected" Error in Diskpart [Best Solutions]

Many users frequently encounter the issue of "no partition selected in Diskpart" when formatting a hard drive, USB drive, or CD. Mike is experiencing a similar problem. Here's his scenario:

If you find yourself in Mike's situation, you might feel frustrated, questioning the issue at hand and why Windows failed to choose your drive. You might also encounter additional error messages, such as "There is no disk to select" and "There are no partitions on this disk to select for listing partitions," which appear when you type 'select disk' and after executing the 'list partition' command, respectively.

This guide is designed to assist you in understanding the reasons behind receiving these prompts and offer potential solutions to prevent similar issues in the future.

Why Is There No Partition Selected in Diskpart?

There are several reasons why the message "There is no partition selected" might appear after entering a command in Diskpart. Here are some fundamental reasons behind encountering the "no partition selected" error: 1. **Incorrect Diskpart Context**: You might not have selected a specific disk or partition before issuing the command. In Diskpart, you need to first select the disk using the "select disk X" command (where X is the disk number), and then choose the partition with "select partition Y" (Y being the partition number). 2. **Inactive Diskpart Session**: If Diskpart is not properly initialized or you haven't started a new session, it might display this error. Make sure to launch Diskpart by running "diskpart" in an elevated Command Prompt. 3. **Invalid Command Syntax**: You might have entered an incorrect or incomplete command, which causes Diskpart to interpret it as a request for a selected partition when none is currently chosen. 4. **Non-Existent Partition**: You might be trying to select a partition that doesn't exist on the specified disk. Double-check your disk and partition numbers. 5. **Access Privileges**: Insufficient permissions can also lead to this error. Ensure you are running the Command Prompt as an administrator. 6. **System Bug or Corruption**: In rare cases, issues with the operating system or Diskpart utility itself could cause such errors. A system update or repair might be necessary. To resolve the issue, ensure you're following the correct sequence of commands and using accurate syntax in Diskpart. Always start by selecting the disk and then the partition before executing any operations.

1. Diskpart already has a partition selected: Sometimes, when encountering the "There is no partition selected" error, it might indicate that Diskpart has already chosen a partition. 2. Windows only recognizes the first partition on a USB: Windows operating system typically acknowledges the first primary partition on external or removable devices, like a memory card, USB flash drive, or SD card, as a standard procedure. 3. The partition or volume lacks a drive letter: Windows generally assigns drive letters to all drives on a computer. However, if a drive loses its drive letter, you cannot access the saved files directly.

The following section will outline various methods you can employ to address this issue. Keep reading!

How to Fix the "There Is No Partition Selected" Error in Diskpart

To address the "there is no partition selected" error in Diskpart, you utilize four primary approaches. While any of these methods may yield the desired outcome, their effectiveness depends on the specific reason causing the error. The methods encompass:

1. Method 1: Check the Selected Partition
2. Method 2: Assign a Drive Letter to the Partition
3. Method 3: Use Diskpart Alternative Tool to Delete Partition
4. Method 4: Use the "Clean" Command in Diskpart

Let's examine each method in detail.

Method 1: Check the Selected Partition

As previously mentioned, before using Diskpart, an item on the partition or disk must first be selected to establish focus. Once an item has focus, it will respond to any Diskpart commands you enter. It's noteworthy that when you use a listing command, an asterisk (*) will appear next to the item that has the focus.

努力检查你想要选择的分区前是否有星号(*)。如果该卷或分区已经被Diskpart选中，你总会遇到“没有选择分区”的错误。星号(*)出现在分区前表示该分区当前正被聚焦。根据以下两种情况来解决问题： 1. **如果星号(*)存在：** 如果你看到星号在你想要选择的分区前，这意味着该分区已经是焦点。在这种情况下，你需要先取消选择该分区，然后重新选择。输入以下命令： ``` select volume X ``` 将`X`替换为你的分区编号，然后按回车。这会将焦点转移到其他卷。然后再次输入： ``` select partition Y ``` 这里将`Y`替换为你实际想选择的分区编号。 2. **如果没有星号(*)存在：** 如果你发现没有星号在任何分区前，可能是因为没有正确地选择分区。首先，你需要选择你想要操作的分区。输入： ``` select partition Y ``` 其中`Y`是你要选择的分区编号。 确保在执行这些命令时，你是在Diskpart工具的上下文中，并且已经通过`diskpart`命令启动了它。如果问题仍然存在，可能需要检查你的磁盘管理设置或者寻求进一步的技术支持。

Case 1. If an asterisk precedes the partition you listed, that partition is already selected. Proceed and enter the command:

Case 2. If you do not find an asterisk, rewrite the selection, or assign a drive letter to the drive.  And refer to method 2.

Method 2: Assign a Drive Letter to the Partition

It is convenient to assign a drive letter using a tool like tools Partition Master - a comprehensive disk partition utility. It enables efficient allocation of drive letters to each drive, and it is user-friendly. Even if you are new to computers, you can easily learn how to assign a drive letter with this software.

Follow these steps to assign a drive letter to the partition using the Partition Master tool: 1. Download and install tools Partition Master on your computer. Ensure that you have administrative privileges for the installation process. 2. Launch the Partition Master application after installation is complete. 3. The main interface of Partition Master will display all the hard drives connected to your system. Identify the partition for which you want to assign a drive letter. 4. Right-click on the desired partition, and from the context menu, select "Assign Drive Letter." 5. A new window will pop up, showing a list of available drive letters. Choose an unused letter from the list (e.g., D, E, F, etc.) that you prefer for the partition. 6. Click "OK" to confirm your selection. A warning message might appear, asking if you're sure about the change. Click "Yes" to proceed. 7. Now, click the "Apply" button in the top-left corner of the Partition Master window to execute the changes. You may be prompted to restart your computer for the changes to take effect. 8. After restarting, the selected partition should now have the assigned drive letter visible in File Explorer. Remember that altering drive letters can sometimes cause issues with installed programs or system files, so exercise caution when making changes.

Step 1. Run tools Partition Master, right-click the target partition, and choose "Change Drive Letter".

Step 2. In the new window, click the down arrow and select a drive letter for the partition from the drop-down menu, then click "OK".

Step 3. Click the "Execute 1 Task(s)" button in the top-left corner, review the changes, and then click "Apply" to change the drive letter of the selected partition.

Aside from this utility, you can also assign a drive letter to the partition using the built-in Disk Management and Diskpart in Windows. However, you should exercise caution when using Diskpart to prevent inputting incorrect parameters.

Method 3: Utilize Diskpart Alternative Tool to Delete Partition

Deleting a partition is the simplest method to create unallocated space on your disk or USB, which can then be added to another partition. This can be accomplished using third-party partition software, such as Partition Master - a potent tool associated with disk partition.

Partition Master is a tool that aids in easily deleting a partition or all partitions from both internal and external hard drives, as well as USB drives, within the Windows operating system. Here are the steps to follow when using Partition Master: 1. Download and install Partition Master on your Windows computer. 2. Launch the Partition Master application. 3. Upon opening, the software will display a graphical representation of your computer's storage devices. 4. Identify the partition or partitions you wish to delete. You can differentiate them by their labels, sizes, and drive letters. 5. Select the partition you want to delete by clicking on it. It will be highlighted. 6. Click on the "Delete Partition" or "Delete All Partitions" option, depending on your choice. This option is usually found in the action bar or context menu. 7. A confirmation prompt may appear, asking you to verify the action. Read the warning carefully, as deleting a partition will result in the loss of data. If you're sure, proceed by clicking "Yes" or "OK." 8. Partition Master will then initiate the deletion process. Wait for it to complete. 9. Once the deletion is finished, you can choose to format the unallocated space or create new partitions using the available options in the software. 10. Finally, save your changes by clicking on "Apply" or a similar button. The changes will be executed after confirmation. Remember to backup any important data before proceeding with partition deletion to prevent potential data loss.

Step 1. Launch AOMEI Partition Assistant, and click “Partition Manager”.

Ensure that you have backed up all important data before deleting any partition on your disk.

Step 2. Select to delete a partition or delete all partitions on the hard drive.

Delete single partition: Right-click on the partition you wish to delete and select "Delete". Delete all partitions: Right-click the hard drive from which you want to delete all partitions, and choose "Delete All".

Step 3. Click "Yes" to confirm the removal.

Step 4. Click "Execute xx Task" and then click "Apply" to save the changes.

0:00 - 0:26 Remove individual volumes; 0:27 - 0:53 Erase all partitions.

Partition Master is a dependable tool for deleting partitions. It enables you to delete partitions with various formats, such as deleting an NTFS partition. Following that, you can utilize the unallocated space by allocating it on Windows 10.

Method 4: Use the "Clean" Command in Diskpart

When dealing with a full disk, the Diskpart clean command can be utilized to transform all stored data into unallocated space. This operation effectively erases all disk data by overwriting each sector with zeros, and it also removes all partition and volume information from the chosen drive.

Follow these steps to clean a disk using the Diskpart command: 1. **Open Command Prompt**: - Press `Win + X` on your keyboard and choose 'Command Prompt (Admin)' or search for 'cmd' in the Start menu, then right-click and select 'Run as administrator'. 2. **Diskpart Utility**: - In the Command Prompt window, type `diskpart` and press Enter. This will launch the Diskpart utility. 3. **List Disks**: - Now, type `list disk` and hit Enter. This will display a list of all the disks connected to your system. 4. **Select the Disk**: - Identify the disk you want to clean and note its number. Then, type `select disk ` replacing `` with the disk number and press Enter. For example, if the disk you want to clean is Disk 1, type `select disk 1`. 5. **Clean the Disk**: - Before proceeding, make sure you have selected the correct disk as this action will erase all data. Type `clean` and press Enter. This command will remove all partitions or volumes from the selected disk, formatting it to an empty state. 6. **Exit Diskpart and Command Prompt**: - To exit Diskpart, type `exit` and press Enter. Then, to close the Command Prompt, type `exit` again and press Enter. Remember, cleaning a disk will permanently delete all data on it, so ensure you have backups of any important files before proceeding.

Step 1: Press "Windows + R" to open the Run dialog box.

Step 2: Type "cmd" in the run box and click "OK" to open Command Prompt.

Step 3: In the Command Prompt, type "diskpart" and then enter "select disk 0".

Step 4: Type "clean" and press Enter.

Step 5: Finally, type "exit" to close Diskpart.

It would be more complicated when utilizing Diskpart. You should exercise additional caution when employing the command. If encountering issues where Diskpart clean is not functioning, you can substitute it with the tool Partition Master to delete partitions more efficiently.

Conclusion

You might encounter other issues while using Diskpart, but when it comes to the "There is no partition selected" error, the solution is right at your fingertips. If you're not well-versed in Diskpart's operations, we recommend utilizing the Partition Master tool to manage your disk. This tool is excellent and will spare you the trouble of inputting incorrect commands in Diskpart.

"Frequently Asked Questions: No Partition Selected in Diskpart"

Resolving the error "There is no partition selected in Diskpart" can be accomplished through a few simple steps. Should you have any further inquiries regarding "There is no partition selected," you may find additional information in the following FAQ.

1. How do I select a partition? To select a partition, follow these steps: 1. **Boot into the installation media**: First, ensure that you have bootable installation media (USB drive or CD/DVD) for your operating system. Insert it into your computer and restart the system. Your computer should boot from the installation media if configured correctly. 2. **Start the installer**: Once booted, you'll see the installer's welcome screen. Follow the on-screen instructions until you reach the step where you're prompted to choose your installation type. 3. **Choose advanced options**: Many installers offer an "Advanced" or "Custom" installation option. Select this to manually partition your drive. 4. **View disk partitions**: The installer will display a list of available disks and their partitions. You may see primary, extended, and logical partitions, depending on the disk layout. 5. **Select the partition**: To choose a partition, click on the desired partition from the list. It might be labeled with a drive letter or a description like "Free space" if unallocated. 6. **Format the partition**: If you want to create a new partition or overwrite an existing one, you'll need to format it. This will erase all data on the selected partition. Make sure to choose the correct file system type (e.g., ext4 for Linux, NTFS or FAT32 for Windows). 7. **Assign mount point**: Depending on the OS, you'll be asked to assign a mount point. For example, `/` for the root directory, `/home` for user data, or `/boot` for boot files. 8. **Confirm and proceed**: Review your selections, ensuring you've chosen the correct partition and settings. Click "Continue," "Apply Changes," or a similar button to proceed with the installation. Remember to exercise caution when working with partitions, as incorrect selections can result in data loss. Always backup important data before repartitioning.

Select a partition by following these steps:

Step 1. To choose a partition, use the "Select Disk" command to select a disk.

Step 2. The target partition on the selected disk will be displayed if no specific partition number is entered.

Step 3. The partition will be automatically selected when you choose a volume with a corresponding partition.

2. What does the asterisk mean in diskpart? In Diskpart, an asterisk (*) is used to denote the currently selected item or volume. When you issue commands in Diskpart, you first select a particular disk, partition, or volume by using the "select" command followed by the relevant number or identifier. Once selected, the item will be preceded by an asterisk to indicate that any subsequent commands will apply to it. For example, if you select a disk, it will display something like "Disk 1 *". This signifies that Disk 1 is the active or selected disk, and any operations you perform will be on this disk unless you choose another one.

The asterisk (*) in Diskpart indicates the currently selected disk or partition, displaying its properties and volume information. It also highlights the listed partition within the current disk's partition table.

3. Does diskpart clean remove partitions? Yes, the "clean" command in Diskpart utility removes all partitions or volumes from a hard disk. It zeroes out the partition table and makes the entire disk blank,准备重新分区和格式化. However, it's a irreversible process, so exercise caution as it will delete all data on the disk without a possibility of recovery.

All partition and volume information on a selected drive can be erased using Diskpart. This utility overwrites each disk sector with zeros, effectively deleting all data on the disk.