SD card showing wrong size? Don’t worry about it much! This article will show you 3 effective methods to restore SD card capacity safely.
In this digital age, SD cards have become an essential storage medium for various devices, including cameras, smartphones, and tablets. It can be used to store large amounts of data, from photos and videos to documents and applications.
However, sometimes SD cards showing wrong size, which can be frustrating and worrying. In this article, we will explore the common causes behind reduced SD card capacity and provide effective solutions to restore SD card to full capacity.
1. Compatible issues
Some card readers or host devices are not compatible with larger SDHC and SDXC cards, resulting in reduced capacity. For example, a few cameras only support 32GB SD card and the remaining space will be marked as unallocated.
2. Fake SD Card
We also call it an expansion card. It’s using illegal software to change the card controller and make it show a larger capacity. Usually, it is much cheaper than it should be. In addition, once you store files more than its real capacity, your data may become corrupted or lost.
3. Viruses Attack
A typical virus attack might change the master boot record of your SD card or damage the file system and cause capacity being reduced.
4. File System Allocation
When files are deleted or formatted on an SD card, the occupied space is marked as available for new data. However, the old data is not always completely erased, resulting in reduced capacity over time.
5. Hidden Files and System Data
Sometimes, hidden files and system data essential for the proper functioning of the card can occupy valuable space, resulting into a loss of capacity.
6. Bad Sectors and Physical Damage
Physical damage or bad sectors on SD card can lead to data loss and decreased storage capacity.
Formatting SD card to full capacity is the most effective method if your SD card showing wrong size, but the process will delete files on your SD card, causing data loss. To avoid any data loss, here are two useful methods:
If there are any important data on SD card, it is crucial to back up them to prevent any potential loss during the formatting process.
If you format an SD card without backup, but find some important data on it, you can employ a professional data recovery software and get your files back in simple steps. Be sure your files are not overwritten.
As mentioned previously, if your SD card showing wrong size has any valuable data, you need to back them up first. Otherwise, you will lose your data. We recommend you use Windows backup software - AOMEI Backupper Standard to backup files or the entire card to protect your data safely.
Step 1. Download and install this Windows backup software - AOMEI Backupper Standard. Then, select Backup and select File Backup subsequently.
Step 2. Type a unique name to distinguish this backup task from others. Then, click Add Folder or Add File to select files or folders on your SD card.
Step 3. Select a saved path to save a copy of your desired files. Finally, click Start Backup to backup them immediately. It will create a full copy of your SD card data.
It is worth mentioning that the formatting process deletes all data on the SD card, resulting in data loss. You need to backup your files in advance. If not, follow the previous steps to create a backup. You can then learn 3 effective methods to restore SD card to full capacity.
Step 1. Type cmd in the search box and select Run as administrator.
Step 2. In the command prompt window, type diskpart and press Enter.
Step 3. Type the following commands and Press Enter in order.
Note: If your SD card is write-protected, you could add the “attributes disk clear readonly” command to remove it before using the “clean” command.
Step 1. Right-click the Start menu and select Disk Management.
Step 2. Locate and right-click the SD card, then select Format.
Step 3. In the pop-up window, select a compatible file system (eg: NTFS, FAT32, etc) and click OK to start the formatting process. Be sure the Perform a quick option is checked.
Note: If your problem is unallocated space in Disk Management, try to extend space with unallocated space and make it show full capacity.
Step 1. Open This PC. Right-click the SD card showing wrong size and then select Format.
Step 2. Select the NTFS file system and click Start.
Notes:
Step 3. Click Yes in the prompt to start the formatting process.
Sometimes, you may receive an error message like “can’t format SD card”. This usually occurs due to the card switch or the read-only attribute. Open CMD, type chkdsk G: /F, and type Enter to fix the file system corruption issue.
If you don’t backup files before formatting, you still can invest in reliable data recovery software like MyRecover to get your files back quickly and successfully. Below are some key features of this software:
Now please download and install this reliable Windows data recovery software. Compatible with all versions of Windows systems (32bit and 64 bit), including Windows 7, 8, 10, 11, etc and Windows Server.
Step 1. Connect your SD card to a Windows PC. Launch this reliable data recovery software - MyRecover. Hover the mouse over the drive saved deleted files before, and click Scan.
Step 2. It will run Quick Scan and Deep Scan automatically to search and display all the deleted or lost files. To locate them quickly, use the Filter feature or go to the original location in the left panel.
Step 3. Select your desired files and then click Recover x files to recover data from the SD card. You will then be asked to select a location. Please select a new location instead of the original location to prevent potential data overwriting.
Notes:
1. Safely Eject the SD Card
Always eject the SD card properly from your device to prevent any data corruption or potential damage.
2. Regularly Back Up Data
Frequently back up your data to external disks or other storage devices to ensure you can easily recover it if any issues arise.
3. Avoid Overfilling SD Card
Avoid overfilling the SD card to maintain its performance and longevity.
4. Invest in High-Quality SD Card
Always purchase an SD card from the official website, otherwise, you may get a fake SD card, such as an expansion card.
5. Scan your SD card Regularly for Virus
It’s necessary to employ one antivirus software, such as Windows Defender or third-party software, and scan your SD card on a regular basis to prevent virus infection.
Restoring SD card capacity is a common concern for many users, but with the right methods, it is possible to resolve the issue effectively. Remember always to back up your data, use reliable recovery software, and take preventive measures to avoid future capacity loss. By doing so, you can continue to make the most of your SD card's storage potential.
1. Can I restore data from a physically damaged SD card?
It depends on the extent of the damage. While some software can recover data from mildly damaged cards, severely damaged ones may be irreparable.
2. Will use recovery software damage my SD card further?
No, reputable recovery software is designed to safely scan and restore data without causing any harm to the card.
3. How long does the data recovery process take?
The time taken for data recovery varies depending on the size of the SD card and the complexity of the data loss.
4. Can I recover data from a formatted SD card?
Yes, data recovery software can often recover data from a formatted SD card as long as it has not been overwritten.
5. How to restore SD card to full capacity on Mac?
