Step 2. Choose a search method "Fast" or "Complete" to let the program search deleted or lost partitions and then click "Next".
The fast method is usually recommended.
Step 3. After the search process, select found partition and click "Next".
Step 4. Click "Proceed" to apply all changes and get your lost partitions back.
If EaseUS Partition Master fails to restore partitions on your unallocated SD card with the “Fast” method, you can choose “Complete” method and try again.
Step 2. Specify partition size in SD card and choose file system(FAT or NTFS).
Step 3. Click "Apply".
This secure and effective partition manager software from EaseUS software should be your second-to-none choice for fixing USB or SD unallocated troubles.
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.
Step 2. Choose a search method "Fast" or "Complete" to let the program search deleted or lost partitions and then click "Next".
The fast method is usually recommended.
Step 3. After the search process, select found partition and click "Next".
Step 4. Click "Proceed" to apply all changes and get your lost partitions back.
If EaseUS Partition Master fails to restore partitions on your unallocated SD card with the “Fast” method, you can choose “Complete” method and try again.