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How to Restore or Format SD Card to Full Capacity

  > Products > Partition Manager > How to Restore or Format SD Card to Full Capacity

2016-08-11 14:51:43 Posted by Judie to Manage Partition

Summary:
SD card is not showing the full capacity? This page shows you how to format SD card with SD card format tool to reclaim lost/unallocated space and restore SD card to full capacity or original size in simple steps.

How can I restore SD card to full capacity?

"I have 16 GB SD memory card. And in order to recover my Android TV box I've tried to copy a recovery image on to my 16GB SD card using a tool called HDD RAW Copy. But now the card is not showing the correct capacity. Windows only reads 3.68GB while its actual size should be ~16GB. And what’s worse, I am not able to reformat my SD card back to its original size. I tried formatting by many steps but no result. I tried using cmd diskpart and hit enter list disk, select disk “H”, create partition primary. I tried with Disk Manager. Please help me! How do I restore the SD card to full capacity to get my 16gb back?"

Reasons and solution for SD card not showing full capacity

Similar cases can happen on other stroage devices like USB flash drive, pen drive, hard drives, memory card, etc. Why is my SD card not showing its full capacity? How can I restore SD memory card to the full capacity? Users always ask such questions when they encountered the issue.

Usually, SD card not showing full capacity happens because some card readers or host devices are not compatible with the larger SDHC and SDXC cards. If the reader or host is not compatible with the larger capacity the card will be repartitioned to a size that is supported. For example, if your card reader or camera is compatible with an SDHC card with a maximum capacity of 32GB using this reader or camera to format a 64GB SDXC card will result in the card being re partitioned to 32GB (~27GB usable capacity). And SD card not showing full capacity can also occurs due to invisible shadow files, formatting overhead, hidden recovery partitions and unallocated space. 

If you experience SD card not showing full capacity issue, please don’t worry! Here is a solution. You can use a reader or host that supports the full capacity of the card and use a third-party SD card format tool to restore full capacity on SDHC/SDXC cards with ease.

Steps to restore SD card full capacity with EaseUS partition tool

To help you reclaim lost or unallocated space and restore SD card to full capacity/original size in a safe and easy way, here we recommend you EaseUS partition tool, a powerful disk management tool that allows you to format hard drives and multiple removable storage devices. Now you can try the following guide to reformat SD card and restore SD card to full capacity with this tool in simple steps.

Step 1. Connect SD card to your computer. Launch EaseUS partition tool, select and right-click the disk you want to format and choose "Format partition" by right clicking the mouse.

Choose Format partition option to restore SD card to full capacity

Step 2. Configurate the label you want in the Partition Label box.

Label formatted partition to restore SD card to full capacity

Step 3. Select the file system type to be created from the "File System" drop-down list. (FAT/FAT32, NTFS, EXT2/EXT3). If the partition is larger than 4GB, you can only choose FAT32, NTFS or EXT2/EXT3; and if the partition is smaller than 4GB, you can choose FAT, FAT32, NTFS or EXT2/EXT3.

Select file system to restore SD card to full capacity

Step 4. Choose the Cluster Size (512 bytes, 1, 2, 4...64KB) from drop-down list and click "OK" to apply the format operation.

Choose Cluster Size to restore SD card to full capacity

Note: Smaller cluster size makes less wasting of disk space. The smaller cluster size is, the bigger file allocation table (FAT) will be. The bigger the FAT is, the slower the operation system works with the disk.

Step 5. Click "Apply" to confirm to format SD card back to the original size.

Finish all the above steps, you can successfully restore SD card to full capacity with ease. This solution is also helpful to restore USB flash drive to full capacity. Just try it whenever you need. Good luck!