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How to Partition Unallocated SD Card

Updated on Dec 04, 2018 by Brithny to Partition Master

Summary:
When SD card becomes unallocated, what will you do? Careless or improper operations may cause storage devices such as SD card become unallocated easily. If you are looking for a method to create partitions and repartition unallocated space in SD card, EaseUS software can help. Read this tutorial article provided by EaseUS software, you’ll find easy & effective methods to partition unallocated SD card and recreate partitions effortlessly.

SD Card Unallocated Problem

SD card usually is allocated with only one partition which readable by the computer and other devices such as photos or camera. However, due to different needs, quite a lot SD card users choose to create more partitions on SD card. Indeed, creating more partitions on SD card does bring users great convenience in dealing with their daily jobs and life. 

However, due to careless or improper operations, virus attack or other unknown reasons, some inevitable problems may still happen to SD card users. The typical problem is that partitions disappear in SD card, which means that SD card becomes unallocated. Then you'll lose all data and partitions in SD card. How to fix such a problem? EaseUS software provides the most complete and securest solution with its professional partition manager software for you here now.

How to Avoid Data Trouble on SD Card Before It Becomes Unallocated

It is highly recommended for you to backup all important data from your SD card to a safe storage device. With SD card data backup, you don't need to worry about losing important files or documents anymore when unexpected troubles happen to your SD card, or SD card becomes unallocated. 

With backups, you can directly fix SD card unallocated problems then. Let's find solutions to partition unallocated SD card right now.

How to Partition Unallocated SD Card

Here EaseUS software will provide you with two methods to fix SD card unallocated problem. One is to use EaseUS Partition Master restore or recreate partitions in on SD card. The other one is to use Windows Disk Management too to rebuild partitions on unallocated SD card directly. 

Solution 1. Use EaseUS Partition Master to Partition Unallocated SD Card

EaseUS Partition Master offers two methods to help fix the SD card unallocated trouble: restore partition and recreate partitions on SD card. Now you can either choose to restore the previously lost partitions or to recreate new partitions on your SD card. Free click the download button and install EaseUS Partition Master on your computer. Connect your SD card with computer and follow the next simple steps to fix SD card unallocated case now.

Download Now

 Windows 10 is supported

Restore SD card partition from unallocated space

Create partitions on unallocated SD card

Notice:
If you want to create a partition on an empty USB, SD card or external hard drive, connect it to your PC in advance.
 

Step 1: Launch EaseUS Partition Master

On the main window, right-click on the unallocated space on your hard drive or external storage device and select "Create".

Create partition on unallocated space

Step 2: Adjust the new partition size, file system, label, etc.

Set the size, partition label, drive letter, file system, etc. for the new partition and click "OK" to continue.

Set up new partition

Step 3: Confirm to create a new partition

Click on the "Execute Operation" button and confirm to create a new partition by clicking "Apply".

Confirm and keep all changes

Solution 2. Free Partition Unallocated SD Card with Disk Management 

If you don't feel like to use any software to fix SD card unallocated trouble, Windows Disk Management should help. But the precondition is that you should be familiar with Windows management jobs and be careful while partitioning unallocated SD card. 

Step 1. Connect SD card to the computer. Right-click "Computer" and choose "Manage".

Step 2. Click "Disk Management", right-click SD card unallocated space and choose "New Simple Volume".

Step 3. Enter New Simple Volume and click "Next". Specify Volume Size and then click "Next".

Step 4. Assign drive letter or path, click "Next". Then Format Partition, choose "partition file system, size, label" and click "Next". 

Step 5. Click "Finish" to accomplish the whole process.

Do be careful while using Windows Disk Management to partition unallocated SD card.

Download Now

 Windows 10 is supported