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SD card Not Showing Full Size – Restore SD Card to Full Capacity

Summary: SD Card not showing full size or a memory card showing less space that the original size? To restore the SD card to full capacity or fix the SD card that is showing the wrong size, you might have to format the SD card. This doesn’t mean you will lose the data, there are other ways to fix such faulty SD cards as discussed in the article below. However, if formatting the SD card is your last resort you can still use Remo Recover to recover data from a formatted SD card. Click to download and try it for free.

Download buttonDownload Remo Recover to restore deleted powerpoint files on Mac

When an SD card is not showing full capacity, it is usually because of logical errors, compatibility issues or technical errors like bad sectors. Logical errors can be taken care of by doing some quick fixes. If you want to know why your SD card might be showing the wrong size on any other device other than computer, you might want to first check with the compatibility. For example, a few cameras only support 32 GB memory cards. Start with verifying the device.

If you have bought the SD card new and it does not have the same storage space as claimed, it might also be that the product is not genuine. Here are a few other important reasons why an SD card might not be showing full capacity.

Why is my SD Card not Showing Full Capacity?

“I have a 128GB SD card which is not showing full capacity in my Windows 10 computer, I am not able to format it to the correct size with Windows format tool. Why does my 128GB microSD card formatting to lower capacity and only showing 32GB?”

Usually, it happens because of three main reasons:

  • Virus infection
  • Cheap or faulty SD card
  • SD card is not compatible with the card reader

Typically, this error is prevalent in large capacity flash drives such as SDHC or SDXC cards where the capacity of SD cards can even reach over 250 GB. So, if the either card reader or the host device does not support such high capacities,  the host device will create a smaller partition.

Simply, if a camera or a phone might support a storage drive only up to 32 GB. If you insert such a high capacity SD card which is 128 GB on onto such a host device, by default, the host device (camera or Phone) will create a partition of 32 GB and the remaining space will be marked as unallocated.

In such cases, your SD card or any kind of flash drive will reduce the storage space.

The other scenarios because of which memory card capacity is reduced might be Bad Sectors. Bad Sectors are damaged storage sectors that don’t respond to read or write commands. Or a typical virus attack might alter the Master boot record of the flash drive (MBR is like an index of the storage drive where all the details of the drive are maintained) and result in memory card capacity being reduced.

Restore SD to full capacity

  1. Use DiskPart cmd Command to Restore SD Card to Full Capacity
  2. Use Disk Management tool to Format and Restore SD Card to Full Capacity
  3. Restore SD Card to Full Capacity on Mac

Best Time to Restore the SD Card to its Full Capacity?

When it comes to SD card recovery, you can directly copy them and save them to other secure storage devices accessible to Windows PC. But what if the card is inaccessible? Well, under such instances, the perfect choice would be to let the best SD card recovery software for help.

Remo Recover can simply help find and restore files from SD cards to other devices with simple clicks on Windows 11/10/8/7 PC. This tool can restore lost or deleted files from any SD card like mini SD card, micro SD card, SDHC, SDXC, etc. Additionally, it can restore files from the formatted drive with NTFS, NTFS5, ExFAT,  FAT32. The Remo supports all sorts of data even it recovers videos from a formatted SD card.

Download button Download Remo Recover to restore deleted powerpoint files on Mac

Additionally, Remo has a dedicated variation that assists users to recover photos from SD cards on both Windows and Mac. Now, you can move further to reclaim your SD card capacity.

How to Restore my SD Card to Full Capacity?

Once getting all saved data and files from the SD card which shows the wrong size on the PC, you can now format the SD card to reclaim its full capacity for saving data again. So here you’ll find the two most recommended free methods to format and restore SD cards to full capacity.

Use DiskPart cmd Command to Restore SD Card to Full Capacity

Let’s see how to use the DiskPart command to clear and restore capacity on the SD card now:

  • First of all, get your SD card attached to 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
  • Then type: select disk 1 (replace 1 with the disk number of your SD card and hit Enter)
  • Type: clean and hit Enter
  • Then type create partition primary to create a partition on the cleaned SD card and hit ENTERDisk part
  • Type format fs=ntfs or format fs=exfat and hit ENTER to format the drive with NTFS or exFAT
  • Type assign letter=drive letter (Assign a letter to the drive)
  • Type: exit and hit Enter

Here, one thing to be noticed is that the DiskPart CMD command indeed will help you clean the whole SD card, but you do need to recreate a new partition to make the SD card available for saving files again. So, you can use the Disk Management tool in Windows 10 or other Windows PC to create a new partition.

Be careful, while recreating a new partition in an SD card. Even a small ignorance can lead to a corruption of the partition map of the SD card that in turn can result in severe data loss. If in case, the SD card partition map is corrupted, and not able to create a new partition or modify a partition map SD card, check it out here to fix couldn't modify a partition map SD card with utmost ease.

In order to fully format and reclaim the full capacity of the SD card, follow steps:

  • Right-click This PC/My Computer > Manage
  • Select Disk Management under Device Manager, find and right-click on SD card, and select Format Volume

click format

  • Rename and reset file system of SD card to NTFS or FAT32 as your need, follow the on-screen guidelines to complete the format process

Restore SD Card to Full Capacity on Mac:

Here are a few steps to reset SD to full capacity on Mac

  • Open Disk Utility app
  • Select your SD card and click on Erase option
  • Choose file system and click on Erase

You may selectively follow any one method to get your SD card back to work normally again. However, remember to first recover the data from the memory card. As even though you’ll regain the full capacity of your SD card and you will be able to use it for storing and saving files again then, but formatting will cause data loss if you haven’t backed up your files.

“If you are a victim of SD card format and looking to recover formatted SD card data, then it is recommended to use Remo Recover.”

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John Harris

Senior Editor, Content Analyst and a fan of exceptional customer service. John develops and publishes instructional and informational content regarding partition management, Windows hot-fixes, data management and computer troubleshooting.

As a tenured data recovery specialist, John shares exceptional insights and blog posts about data loss and data recovery across any storage device. With 8+ years’ experience in writing for Data Recovery for both Mac OS and Windows OS computers, he is an avid learner who always wants to polish and simplify the data recovery process. John passes his free time playing Chess and reading Science Fiction novels.

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