SD Card Keeps Unmounting: How to Fix It in An Easy Way?

SD card keeps unmounting? Do not panic. Find a useful solution in the guideline. Detailed introduction and operation steps are listed in the following text.


By Zoey / Updated on April 2, 2024

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When your SD card experiences frequent disconnection, it renders everyday tasks like file copying tasks. Each unmount action influences data integrity through incomplete transfers, potentially leading to corruption.

The problem of random dismounting plagues both standard SD and microSD cards alike. Despite the frustration it induces, there exist practical remedies to fix this issue. This article presents insights into the possible causes of the SD card keeps unmounting issue and offers comprehensive solutions to rectify it. Besides, we provide the best SD card recovery software here.

Recover Data from SD Card

Understand the Unmounting of SD Cards

Why does SD card keep unmounting? Let's delve into the prevalent reasons behind such a common phenomenon:

  • Defective SD Card: Irregular behavior, such as inconsistent installations, can often be traced to a defective SD card. Even newly purchased products may fail quality control.
  • Compatibility Issues: Ensuring the right SD card for your device is pivotal. Certain devices can only work smoothly with specific SD cards, while others may not guarantee seamless compatibility.
  • Hardware Errors: A compromised SD card or tray can disrupt stable connections. The SD card must snugly fit the tray, leaving no room for play once inserted.
  • Data Corruption: Unintended disconnects during file transfers may lead to file system or data corruption, resulting in further complications.

Moreover, the SD card might be approaching the end of its projected lifespan, which varies around 10 years according to the SD Association, influenced by card quality and usage frequency.

Protect Data in Unpredictable Unmounting of SD Cards

Prior to tackling the SD card or micro SD card keeps unmounting issue, it's prudent to recover files from SD card. Rushing to fix the problem could exacerbate matters, causing permanent data loss inadvertently.

For optimal data recovery, consider MyRecover- a cost-effective and user-friendly data recovery software with a remarkably high success rate, catering to a wide range of file types and scenarios.

MyRecover's Advantages:

  • Comprehensive File Retrieval: From accidental deletions to virus infections, MyRecoverrestores various file types across different storage devices.
  • Extensive Format Support: Covering over 200 file formats, it effectively recovers diverse files, from images to videos, documents, and more.
  • Precise File Filtering: The Filter feature refines searches by file type, enabling swift identification and recovery.
  • Thorough Recovery: Employing advanced scanning techniques including Quick Scan and Deep Scan, ensuring complete and uncorrupted data retrieval.
  • User-Friendly Interface: No technical expertise is required, making it accessible to users of all levels.

Secure your data with ease by downloading MyRecover, a professional Windows data recovery software compatible with various Windows versions, including Windows 7, 8, 10, 11, and Windows Server (32bit and 64bit).

Download Software Windows 11/10/8/7/Server
Secure Download

Step 1: Link your SD card to a Windows PC. Initiate MyRecover, the potent data recovery tool. Hover the mouse over the drive saved deleted files before, and click Scan.

Select SD Card to Scan

Step 2: Automated Quick Scan and Deep Scan processes will unveil all deleted files. Employ the Filter option or navigate to the original location via the Other Missing Files section to locate them swiftly.

Scanning SD Card

Step 3: Select your desired data and click Recover x files for retrieval. Opt for a new location to avert potential data overwriting.

Select Videos to Restore from SD Card

📌 Notes:

  • Restore Insight: The restore button showcases the selected file count and full size, confirming the recovered image integrity.
  • Limited Free Recovery: Enjoy free SD card data recovery, up to 500MB. Upgrade for full-scale recovery.
  • Windows Server Compatibility: Extended support for data recovery on Windows Server editions like 2012, 2016, 2019, etc.

SD Card Keeps Unmounting: Fix It Now!

Now that your data is secure, explore these methods to mend your frequently unmounting SD card now.

Method 1. Trying Alternate Devices

Begin by inserting your SD card into another device. This step effectively pinpoints the problem; if your SD card unmounts in a different device, the issue lies within the card itself. Conversely, if it functions seamlessly, the problem rests with your original device. Move on if the problem persists.

Method 2. Verifying SD Card and Device Compatibility

Mismatched SD cards and devices often perform erratic behavior, resulting in recurrent unmounting. Thus, please make sure that your SD card is applicable to your using device.

Method 3. Unmounting and Remounting Strategy

If your Android SD card keeps unmounting, remounting it could break software-induced loops causing frequent disconnects. This tactic not only helps reset connections but also facilitates card and slot inspection.

Follow these steps to unmount and remount an SD card on an Android device:

1. Open Settings.

2. Access Storage.

3. Tap Unmount or Eject (terms may vary). If absent, tap your SD card first, then select the option.

4. Remove the SD card, blowing away any debris from both the card and slot.

5. Reinsert the SD card and tap Mount.

📍 Note: The process might vary based on your device and Android version.

Method 4. Initiating SD Card Formatting

Formatting offers a comprehensive solution to various storage device problems. It will fix the SD card's file system, mitigating potential issues and corruption. Be aware that formatting SD card delete everything, that necessitates prior data recovery.

Follow these steps for SD card formatting using Disk Management:

1. Right-click Start, and select Disk Management.

2. Right-click the SD card volume, choose Format.

Disk Management Format

3. Assign a label, select the required file system, tick Perform a quick format, then click Next.

Format in Disk Management

4. Confirm formatting in the subsequent window.

Method 5. Device Factory Reset

When the error persists, resort to factory resetting your device. But only if the device is truly at fault. Ensure the issue isn't with the SD card before taking this step.

Each device follows unique reset protocols, outlined in your device's manual or manufacturer's website.

The Bottom Line

When you meet the SD card keeps unmounting, hope this article will do you a favor. If you want to protect your SD card away from data loss, experienced data recovery software like MyRecover can be the best assistant for you to recover missing files from SD card.

Zoey · Editor
Zoey works as an English editor of AOMEI Technology. She provides tech information about backup and restore, mobile data transfer, and so on for AOMEI. She hopes that her articles will be greatly helpful for users. She is fond of music, film, and photography.