How to Fix 'My SD Card says it's full but it's not' Error

Brithny updated on Sep 23, 2019 to Partition Manager | How-to Articles

"I have a brand new Sandisk SD Card. It is empty but it says full! I reconnected my SD Card to my Windows 10, the empty SD Card still says it's full. When I open the SD Card, there isn't any file or folder on the Card! How can I fix this problem?"

According to many Windows and Mac users, it seems that an empty SD Card shows full issue has happened quite a lot. If you are having a similar problem on your SD card, you can apply solutions below for help. You may not need to try them all, just work your way down until you find the one that works for you.

Any of the solution below may cause data loss. Before you follow the two solutions below, you'd better export all of your data on the SD Card with a free file recovery software. Let the software scan your SD Card, then restore them, and save them on your computer.

Solution 1. Format Your SD Card to Fix the Empty SD Card Says Full Error

A simple choice to fix the "empty SD Card but it says full" is to format the SD Card, which helps 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 Master, 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.

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 Windows 10 is supported


Step 1: Open EaseUS Partition Master. Find your SD card and right-click the partition you want to format and choose "Format".

Format Hard Drive Partition - Step 1

Step 2: Set a new partition label, file system (NTFS/FAT32/EXT2/EXT3), and cluster size to the selected partition, then click "OK".

Format Hard Drive Partition - Step 2

Step 3: Click "OK" on the pop-up window to continue.

Format Hard Drive Partition - Step 3

Step 4: Click the "Execute Operation" button on the toolbar, then click "Apply" to start formatting your SD card.

Format Hard Drive Partition - Step 4

Solution 2. Restore SD Card to Full Capacity with CMD

If format the SD Card fails to solve the "empty SD Card says full" error, just run this command to restore your SD Card to full capacity.

  • Connect your SD card to your PC
  • Right-click Start and select "Command Prompt" (Admin)
  • Sign in as administrator and type: diskpart to bring up DiskPart
  • Type: list disk and hit "Enter"
  • Type: select disk 1 (replace 1 with the disk number of your SD card) and hit "Enter"
  • Type: attribute disk clear readonly and hit "Enter"
  • Type: exit and hit "Enter".

After this, you can use the Disk Management tool in Windows 10 or other Windows PC to create a new partition on SD card so to make it available for storing data with full capacity again.

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Frequently Asked Questions

Why Choose EaseUS Partition Master?

"I've used Partition Master Professional many times to create, delete, format, move, rename, and resize partitions."PCWorld

"Partitioning tools have come a very long since the days of complicated command line utilities and EASEUS Partition Master is one of the most advanced programs available."TECH ADVISOR

"I love that the changes you make with EaseUS Partition Master Free aren't immediately applied to the disks. It makes it way easier to play out what will happen after you've made all the changes."Lifewire

Will the "Migrate OS" feature transfer the Windows system files only or the whole C drive?

To ensure that the migrated system will boot normally, the Migrate OS feature will transfer all the files in the system and the boot partitions. Generally, the boot partition is the C drive so the transfer will include all the files in C.

Does EaseUS Partition Master license apply to multiple computers?

The license of Partition Master Professional and Server editions can be used on 1 computer only, while that for for the Technician and Unlimited editions can be used on multiple machines.

What is the difference between EaseUS Partition Master Trial version and the Free version?

Free is for home users only, with most basic functions available such as partition resize and clone. While trial can help you understand how this product works and test what a full license can do on a business or server OS machine.

Will it cause any data loss after resizing the partition in EaseUS Partition Master?

Generally, it will not cause any data loss or boot issue by resizing a partition. However, in order to protect your data, we suggest that you backup the partition before resizing, in case of any unexpected situations such as power outages, computer hardware failures, etc. You can use EaseUS Todo Backup to backup the partition and its trial version is fully functioned for 30 days.

What should I prepare before resizing the partition?

On the partition that is going to be operated, there might be some files being occupied by other programs. To ensure a successful operation, we suggest that you close all the unnecessary software before resizing that partition. Otherwise, EaseUS Partition Master will detect the partition being locked by the other software and require a reboot to resize the partition under boot mode.

About EaseUS Partition Master

All-round disk & partition management software for personal and commercial use. Let it manage your storage drive: resize, format, delete, clone, convert, etc.

Video Tutorial

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