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How to Recover Deleted & Lost Data from Unmounted SD Card?

Updated on Thursday, January 12, 2023

iBoysoft author Ciki Liu

Written by

Ciki Liu
Professional tech editor

Approved by

Jessica Shee

SD Card Is Unmounted, How to Recover Data from It?

Summary: This post introduces how to recover deleted and lost data from unmounted SD card with iBoysoft Data Recovery. You can also find the reasons and fixes for an unmounted SD card.

how to recover data from unmounted SD card

The SD card is a convenient storage device to store your photos, documents, and videos on PCs, cameras, and Android phones. However, users may encounter unmounted SD card when checking in the storage setting. If you are worried about the data, don't panic, though, there's a way to recover deleted and lost data from unmounted SD card.

This post will dive into effective SD card recovery directly by offering you the best solution to recover data from unmounted SD card. Then you will find the causes as well as working fixes to troubleshoot the SD card not mounting issue.

Table of Contents:

How to recover unmounted SD card

Regardless of the exact data loss scenario from an unmounted SD card, you can easily recover deleted data from SD card that's not mounting properly with iBoysoft Data Recovery. This one-stop free SD card recovery software is capable of handling corrupted SD card recovery, formatted SD card recovery, and even RAW SD card recovery.

Ranked as the best free SD card recovery software, iBoysoft Data Recovery supports data recovery from all sorts of memory cards, including SD, micro SD, SDHC, and SDXC. In addition to memory cards, it can also recover data from CF cards, internal and external hard drives, USB flash drives, SSDs, and other storage media.

iBoysoft Data Recovery offers two versions, one is iBoysoft Data Recovery for Windows and the other is iBoysoft Data Recovery for Mac. Depending on which OS you are running, follow the guides below to recover data from unmounted SD card.

Use iBoysoft Data Recovery for Windows to recover unmounted SD card:

Step 1: Download and install iBoysoft Data Recovery for Windows on your computer. Next, insert your SD card and launch the program.

Step 2: Choose Data Recovery from the list of three main recovery modules. Click Next after selecting the unmounted SD card that requires deleted file recovery. For lost data recovery, check on the Deep scan option.

iBoysoft Data Recovery main interface

Step 3: After the scan is finished, you can browse the files that iBoysoft has discovered by file type and preview them by right-clicking on the chosen file.

preview found files

Step 4: Find the deleted and lost data on the unmounted SD card you want to recover, then click Recover. Note that saving recovered files to the old SD card may overwrite the data, therefore you need to choose a new storage device or location to save the contents.

recover found files

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Use iBoysoft Data Recovery for Mac to recover unmounted SD card:

Step 1: Download and install iBoysoft Data Recovery for Mac on your computer. Next, use a card reader to connect the faulty SD card to your Mac. Open the Applications folder and run the SD card recovery program.

Step 2: From the list of accessible disks or partitions, choose the SD card you want to recover. Click Search for Lost Data to begin the scanning process.

scan SD card

Step 3: After the scan is complete, select the Type or Path option to quickly navigate to the data you're looking for.

Step 4: After choosing a file, click the Preview option to see a preview of its contents.

preview files

Step 5: Select the files you wish to recover by checking the box next to them, then click the Recover button to save them to a location other than the unmounted SD card.

recover files

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Why SD card is not mounting

There are multiple factors that cause your SD card to be unmounted. Check the list below to see which one may be your case.

  • The SD card is not well connected. Perhaps the SD slot is wobbly, the SD card reader is not working, or the USB port on your PC is not functioning.
  • The SD card is corrupted. For a corrupted SD card, your system will find it unable to mount it properly.
  • The SD card is physically damaged. It's possible that the card you try to mount has suffered from physical damage. The SD card is unreadable as a result of this.
  • The SD card is attacked by malware and viruses. Malware of many kinds can prevent an SD card from mounting properly.
  • Incompatible formatting. Despite an SD card, it's suggested to initialize and format the external hard drives with compatible file systems that work on your connecting device.

How to fix an unmounted SD card

Given the above causes that lead your SD card to be unmounted, you can try the following ways to troubleshoot an SD card not mounting.

Make sure the connection is all good to go, including the USB port, SD card reader/adapter, and the built-in SD card slot. Try the unmounted SD card on different devices to verify the issue.

Repair a corrupted SD card with two built-in tools. Option one, you can run CHKDSK command in Windows. Option two, use First Aid in Disk Utility in macOS.

Format the SD card on a PC instead of on a mobile phone. Formatting will erase every piece of your data, but there are ways to format an SD card without losing data. See the guide below.

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Conclusion

With powerful SD card recovery software such as iBoysoft Data Recovery, you can successfully recover deleted and lost data from unmounted SD card. This post also explains potential reasons behind an unmounted SD card, along with effective fixes to get rid of the SD card not mounting issue.

FAQs about how to recover data from unmounted SD card

A

On Android devices, you can navigate to Settings > storage > click Unmount SD card and remove the SD card from your phone. Then try rebooting your phone and reinserting the card. Go to storage settings again and manually mount your SD card.

A

If you safely unmount and eject your SD card, unmounting will not delete your data. However, if you unmount an SD card by force while reading or writing it, there’s a high risk of losing data.

A

On an Android smartphone, unmounting the SD card disables all access, preventing the system and any apps from reading or writing to the SD card. This also applies to a Windows or Mac computer.