2 Methods to Fix Unallocated Space on USB

2 Methods to Fix Unallocated Space on USB

If you are unable to access the full space of your USB and experiencing unallocated space on USB issue, then read here to know the possible causes of it and how to fix it.

Wondershare Recoverit Authors

Jul 05, 2021 • Filed to: Recover & Repair Files • Proven solutions

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SD or USB Cards are used for data storage. But any inappropriate action can result in creating unallocated space on USB card. Do not bother as multiple users experience it. In this guide, you will learn why this happens and how to fix it.

While accessing your USB drive, have you come across unallocated space on USB? Do not bother as multiple users experience it, but by the end of this guide, you will get to know how to fix it.

Here we will discuss what unallocated space is, the reason behind it, and how to fix it.  Read on to learn about it.

Part 1: What is unallocated space on a USB flash drive?

Unallocated space is the one that is not formatted and not partitioned too, so it is not available for data storage. In simple words, we can say that unallocated space on USB is useless and inaccessible. But how does space on the USB/SD card become unallocated? Let us see this in the next part.

Part 2: Why Does an SD/USB Card Suddenly Become Unallocated?

SD or USB Cards are used for data storage and are removable drives. But any inappropriate action can result in creating unallocated space on a USB card. Here are some of the possible causes of unallocated space on USB:

Do not worry, whatever be the reason you can fix and repair this issue of unallocated space on USB. In the next part, we will discuss the methods that will help you fix it.

Part 3: How to Fix and Repair Unallocated Space on SD/USB Card

Now you know what is unallocated space on USB and how it forms. We will quickly move on to the solutions and learn how you can fix the issue easily.

Method 1: Directly Create New Partition

If you are not losing any important data, then you can make unallocated space usable by creating a new partition with the following two ways. Proceed with them as guided below:

Using Disk Management

Step 1: Connect your SD card or USB with the system and open the Start menu.

Step 2: Proceed to “My Computer” or “This PC” and right-click on it. Select “Manage.”

Step 3: Click on “Manage” and then “Disk Management,” and you will see all the available drives on the system. Select your USB drive or SD card and right-click on it to reach the “Delete Volume” option. When prompted, click on “Yes.”               

Step 4: Now again, right-click on your connected drive and select “New Simple Volume.”

Step 5: Follow the partition wizard to complete the process.

Once the wizard completes the process, restart your system and reconnect the drive to see if the issue is fixed.

Using the DiskPart Command

You can also get back the lost or unallocated space with the DiskPart tool. Check out the detailed steps:

Step 1: Click on the Start menu, and in the search box or in the run box, type “diskpart.” Now, right-click on diskpart, and then click on the option “Run as administrator.”

Step 2: Type “list disk” and then press the “Enter” button to look for the connected USB drive number. You can confirm the right drive by looking at the drive size.

Step 3: Let’s say the disk number is 2, type “select disk 2” and press the “Enter” key.

Step 4: Type “clean” and press “Enter.” All the data on the selected disk will be deleted.

Step 5: Type “create partition primary” and press “Enter.” After the successful creation of the new partition, you will be able to use your USB drive without facing any unallocated space issue.

Method 2: Restore the Partition Data from the Unallocated USB

While creating the new partition, if you accidentally lose any of your important data, Wondershare Recoverit Data Recovery software can help you in recovering your lost data. Here are the detailed steps for you:

Step 1: Connect USB drive with the system

Download and launch Wondershare Recoverit on your system and connect the respective USB drive from which you have lost your data.

Step 2: Select the connected drive

After launching the software and connecting the drive to the system, select it from all the listed drives on your computer.

Step 3: Begin the scan

After selecting the connected drive, click on the all-around scan to begin the scan. When the scanning is in progress, you can stop or even pause the scan or can locate your targeted files.

Step 4: Preview and the recover files

When the scanning completes, Wondershare Recoverit allows you to preview the recovered files before recovering and saving them.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         

The Bottom Line

You can get unallocated space on USB because of a number of reasons but fixing them is also possible. We have discussed the two methods to fix it. Follow them to make your USB drive non-usable space reusable. However, if you lose any of your important data, then Wondershare Recoverit data recovery software allows you to get back your lost data easily.

People Also Ask

How do I fix an unallocated external hard drive?

You can fix an unallocated external hard drive by creating a new partition with Disk Management or DiskPart.

How do I make my USB full space?

If you are unable to use your full USB space, then delete the USB volume and create a new partition to make full use of your USB space.

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