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How Can You Restore Partition on SD Card after Partition Loss or Damage


Summary: Professional partition recovery software can help to restore partition on SD card with ease. Now read this post to learn how to restore SD card partition in two cases.

Overview of SD Card Issues

As is well known, there are many kinds of data storage devices, such as a USB flash drive, thumb drive, pen drive, hard drive, memory stick, SD card and more. Among them, SD card is widely used by many users. Usually, the SD card is applied in a digital camera, handheld computer, mobile phone, video game console, digital camcorder and more. By using an SD card, you can transfer data, or increase internal storage space.

However, when using an SD card in the daily life, some SD card issues always happen, for example, the partition on SD card gets missing, and SD card shows wrong size. In this post, we will show you how to restore SD card partition in these two cases. Please keep reading.

How to Restore Partition on SD Card

case 1 Case 1: SD Card No Partition Issue

sd SD Partition Is Lost

From the above part, we know SD card is used in some phones, cameras, or other portable devices. Usually, there is not enough storage space on the internal storage of these devices, so in order to reduce the burden of internal storage space and increase internal storage space of your phone or camera, SD card becomes a good choice.

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However, it is possible that you remove the partition on SD card by mistake. For instance, you insert your SD card into an SD card reader and connect this device to a computer, and then resize SD card partition in Windows for storage space increase, but delete all the partitions as well as partition data accidentally.

Here let's look at a true case about SD card partition loss:


Originally, I partitioned the SD card of my digital camera to 2 partitions in Windows Disk Management (one for photos and the other for videos), but one of them got lost after a virus attack and became unallocated. Since the lost one saves very precious photos, I'm eager to know how to restore partition on SD card. Or is there a solution to recover files from the lost partition?

In this case, SD card partition loss issue appears. If you also delete partition of your SD card by accident, the partition data will be lost, then to do SD card partition recovery will be an urgent affair.

sd Use SD Card Recovery Tool to Recover Lost Partition

Once you find that your SD card partition is lost and shows unallocated space in Windows Disk Management, you probably feel very annoyed and are wondering: Is it possible to get missing partition back? How can I restore data from the unallocated space of the SD card?

As a matter of fact, it is possible for you to do a fast and efficient partition recovery as well as partition data recovery of your SD card on condition that no new data are written to the location of the lost or deleted partition and overwrite the old lost files.

Note: Please stop using your SD card right away to avoid data overwriting. Otherwise, SD card partition recovery failure will appear.

In order to recover lost SD card partition and data completely and effectively, you should search a reliable and professional SD card recovery tool. Here we strongly recommend you to use MiniTool Partition Wizard which is developed by the MiniTool dedicated team. This partition manager provides you with many powerful features, including resize/extend/copy/format/delete/align partition, migrate OS to SSD, rebuild MBR, recover lost partition and more. Due to so many features, this partition software has gained a great reputation from users in the world. For a full and easy SD card partition recovery, the "Partition Recovery" feature offers you a help and it is safe enough to ensure data security.


  • MiniTool Partition Wizard contains six editions to meet users' needs, for example, Free, Professional, Pro Ultimate are for personal users; Server, Enterprise, and Technician are for business users.
  • Among those editions, the Free Edition allows you to only scan lost partition but not to recover lost partition. So you can free download MiniTool Partition Wizard Free Edition to check whether your lost SD card partition can be found. Then purchase a license code to restore partition on SD card. For more knowledge about the comparison of each edition, click here.

How to restore partition on SD card? Here take its Professional Edition as an example. Detailed steps are as follows.

Step 1: After launching MiniTool Partition Wizard Professional Edition, you will find the SD card partition table type uses MBR (usually, it is MBR) and the SD card partition shows unallocated in the main interface. Please select "Partition Recovery" feature by three ways:

  • Right click your SD card and then select this feature.
  • Please select the target SD card and then click it from "Check Disk" menu.
  • Click this function in the toolbar.

Here take the second way as an example.

restore partition on sd card

Step 2: Then in the pop-out window, you will see three scanning ranges are displayed.

  • If you want to scan your entire SD card, please select "Full Disk".
  • Only for a scanning of free space on your SD card, "Unallocated Space" should be chosen.
  • If you only want to scan certain specified sectors, please check "Specified Range" which allows you to enter the starting LBA and Ending LBA directly.

Then click "Next" to continue fixing SD card no partition issue by doing partition recovery of your SD card.

scanning range setting

Step 3: Now we come to the interface of scanning method settings. In this page, you can see two scanning methods provided by MiniTool Partition Wizard.

  • "Quick Scan" is suitable to restore lost/deleted partitions which are continuous. Once this partition recovery tool finds a lost/deleted partition, it will jump to the end of this partition and scan other lost/deleted partitions.
  • If "Quick Scan" cannot find lost partitions, please try "Full Scan" which is designed to scan every sector of the scanning range you have set.

Click "Next" to continue lost partition recovery.

scanning method

Step 4: Then in the pop-up window, MiniTool Partition Wizard will start to perform partition scanning process. After a while, your lost SD card partition will be found. If there is an existing partition on your SD card, it will be also listed here. Please select all needed partitions including existing and lost partitions, and then click "Finish" to go back to the main interface.

choose partition

Tip: By double clicking an SD card partition, you can explore the partition content and check whether it is the right partition you want to restore. From the figure below, you can see your partition data are listed in a tree structure which enables you to quick explore the files.


Step 5: Then in the main interface, the lost SD card partition appears. Please hit "Apply" to make this partition recovery into effect.


tip Tip: After you restore partition on SD card, you must be curious that why can't find this partition in Windows Explorer and access the partition data. As a matter of fact, it is because there is no drive letter of this recovered partition. So long as you assign one letter for it, you are allowed to access the partition data.

MiniTool Partition Wizard also provides such a feature with you. Just select the recovered SD card partition, click "Change Drive Letter" from "Partition Management" menu. Then choose a letter from the list, click "OK" to go back to the main interface. Finally, hit "Apply" to execute this change.

change letter

After finishing this operation, partition recovery of SD card is completely done in the real sense. If you think this way is helpful to you to solve SD card no partition issue, please share our software with your friends.


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If MiniTool Partition Wizard fails to find lost or deleted partitions, what should you do? Don't worry, there is another professional data recovery software called MiniTool Power Data Recovery. With its "Lost Partition Recovery" module, you can easily recover data from lost SD card partition.

case 2 Case 2: Micro SD Card Showing Wrong Size

files Recover Files from Damaged Micro SD Card

In the above part, we show you SD card no partition issue and tell two methods to restore lost SD card partition data. In addition, there is another case you need to restore the partition of your SD card: the SD card showing wrong size.

A true example:

"I need help! I created a Linux image on my memory card to try to boot Linux on my Android. The program I used is called Win32 Disk Imager. It wasn't successful, but the problem is that my 8 GB micro SD card now shows that it only has 16 MB of capacity and it was indeed of 8 GB."

--From makeuseof

Actually, the SD card is likely to get corrupted due to many reasons including the incompatibility between SD card and some devices, invisible shadow files, overhead formatting, and more. In this case, to recover files from corrupted micro SD card should be done firstly. So, how to do this data recovery? Fortunately, MiniTool Power Data Recovery also enables you to do this job with its "Damaged Partition Recovery" module. With the feature, it is easy to recover data from damaged SD card.

Before you do SD card partition recovery, please download MiniTool Power Data Recovery Free Edition which allows you to recover up to 1GB data in totally. For more data recovery, please purchase its Professional Edition or a more advanced edition.

Step 1: Launch MiniTool Power Data Recovery, and then click "Damaged Partition Recovery" which is designed to recover data from RAW, formatted and damaged partition. Here we use this feature to do corrupted micro SD card file recovery.


Step 2: Then select the SD card partition which is damaged, and then click "Full Scan" to begin the scanning process.

scan sd card

Step 3: After finishing the scan, all your SD partition data will be listed here. You can use "Filter", "Type" and "Find" features to quick find the files you want to retrieve, and then click "Save" to store the recovered files to a safe location. Here you had better not store data to its original location to avoid data overwriting.


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files Restore SD Card to Full Capacity

Now with the help of this professional data recovery software, to recover files from corrupted micro SD card has been done effectively. Then it is time to do micro SD card partition repair. How to restore SD card to its original size? When searching such a topic, you will find many users recommend formatting the damaged SD card. But you probably fail to format it with "Windows was unable to complete the format" error message. Luckily, our software MiniTool Partition Wizard can be used to format your SD card to restore partition on SD card.

Step 1: Please run this free SD formatter tool and then click "Format Partition" in the left pane to solve micro SD card showing wrong size issue.

Step 2: Then in the pop-up window, select a file system. Click "OK" to go back to MiniTool Partition Wizard main interface.

Step 3: Hit "Apply" to perform this formatting operation.


Now with MiniTool Partition Wizard, it is easy to do micro SD card partition repair by formatting.

Bottom Line

In this post, we show you SD card partition issues and how to restore partition on SD card in two cases including SD card partition loss, and SD card shows wrong size. In these two cases, we introduce you how to use MiniTool Partition Wizard to recover lost partition on SD card, how to recover files from corrupted micro SD card with MiniTool Power Data Recovery and how to format damaged SD card with SD formatter tool to restore SD card to full capacity. With the assistance of MiniTool software, you can easily recover data and restore SD card partition. If you are experiencing these issues, just have a try.

If you have any question about our software or this article, please tell us by sending an email via [email protected] or leaving a comment in the zone below.