SD Card Keeps Disconnecting or Disappearing

Updated by Daisy on Sep 14, 2022
Written by Tracy King
 | Computer Instruction

There are seven fixes for the SD card keeps disconnecting or disappearing. The table below gives an outline. Read the content for details.

Workable Solutions Step-by-step Troubleshooting
Fix 1. Reinsert SD card When the SD card disconnects or disappears randomly, you can retry to insert the card to the computer...Full steps
Fix 2. Change SD card reader If the SD card reader is not working properly, your SD card won't be able to show up on the computer...Full steps
Fix 3. Change to another computer You can also insert your SD card to another computer to see if it shows up stably or not...Full steps
Fix 4. Disable PC turn off device When the computer turns off the Mass Storage Device, your SD card won’t be able to show up correctly...Full steps
Fix 5. More useful methods  Update SD card driver, change SD card drive letter, or format SD card to NTFS/FAT32...Full steps

Memory cards are tiny, portable, and extensible, making them widely used in digital devices nowadays. As we know, Android phones use micro SD cards, previously TF cards, while digital cameras use bigger SD/SDHC/SDXC cards. All storage devices would degrade over time from scratching, bending, connecting, and disconnecting.

Here, we will talk about one commonly seen consequence of SD card problems after a long time of use, or simply improper use, which is an unstable SD card connection. Many people say that SD card keeps disconnecting from their computer, Android phone, or camera. Why was this problem produced, and how do you solve the randomly happening issue yourself? Let's check.

Tip
This page mainly solves the SD card problems on a Windows computer. If you see an SD card disconnecting or disappearing issue on Android & camera due to "SD card unexpectedly removed" error or "SD card blank or has unsupported file system" error, the linked pages are helpful to solve this kind of SD card problem.

SD card keeps disconnecting in Windows 10/8/7 [7 fixes]

Fix 1. Remove and reinsert SD card to Windows PC

Fix 2. Change the SD card reader and reconnect to your PC

Fix 3. Insert SD card to another computer to see if it shows up

Fix 4. Disable PC from turning off Mass Storage Device

Fix 5. Update SD card driver

Fix 6. Change SD card drive letter

Fix 7. Format SD card to NTFS/FAT32

Usually, we use a card reader to connect a micro SD card or SD card to a computer. Being different from the 'SD card not working showing up' issue, sometimes the SD card shows up a while but then disappears. If you're willing to wait for a second, it appears again. Something goes wrong, and the below seven solutions are helpful for you.

1. Remove and reinsert SD card to Windows PC

When the SD card disconnects or disappears randomly, you can retry to insert the card into the computer again to see if it’s stable to be read.

2. Change the SD card reader and reconnect to your PC

If the SD card reader is not working correctly, your SD card won’t be able to show up on the computer.

3. Insert SD card to another computer to see if it shows up

Another way is to insert your SD card into another computer to see if it shows up stably or not.

After these three steps, if your SD card shows up and can be reaccessed, the problem gets resolved then. If the issue persists, continue with the following steps to eliminate the problem on your SD card.

4. Disable PC from turning off Mass Storage Device

When the computer turns off the Mass Storage Device, your SD card won't be able to show up correctly. Here are the steps to disable this feature:

  • Press Windows + X to bring up a menu, and choose "Device Manager" from the list.
  • Go to "Universal Serial Bus Controller" > "USB Mass Storage Device".
  • Click the "Power Management" tab and uncheck the box in front of "Allow the computer to turn off this device to save power". 
  • Click "OK" and save the changes.

Fix SD card keeps disconnecting error.

5. Update SD card driver

SD card starts malfunctioning as soon as the card driver is incompatible or outdated, so it's necessary to update the driver to the latest if the SD card randomly connects and disconnects.

  • Press Windows + X to bring up a menu, and choose "Device Manager" from the list.
  • Expand Disk drives, right-click the SD card driver and choose "Update driver software".
  • By "Search automatically for updated driver software", Windows can find the available driver for you. 

update sd card driver

6. Change SD card drive letter

Drive letter confliction can be why the connection is unstable, and you see the SD cards disappearing and appearing randomly. Try to assign a new drive letter to the SD card in Disk Management in this case.

  • Press Windows + X to bring up a menu, and choose "Disk Management" from the list.
  • Right-click on your SD card, and select "Change drive letter and paths..."
  • Choose a new drive letter for your SD card and click OK to save all changes.

change drive letter to the sd card

7. Format SD card to NTFS/FAT32

This method is mainly for SD card that has been used for a long, of which the health state is not so well. Usually, disk formatting can fix some elementary level of SD card corruption and restore it as a new one.

Warning
Disk formatting can be dangerous to data, although it indeed fixes many corruption issues. If there are important pictures, videos, and other files, back them up before formatting. Otherwise, you can only rely on a third-party EaseUS data recovery tool to recover data from a formatted SD card.

To format a memory card in Disk Management:

  • Enter Disk Management again.
  • Right-click on your SD card, and this time, select "Format".
  • Choose a file system like NTFS/FAT/FAT32 and click "OK".

format sd card in disk management

After this, your SD card should be able to connect to your computer uninterruptedly and work properly again. 

How to recover data from an inaccessible or formatted SD card

According to all the above 7 troubleshooting methods, you don't need to worry too much about losing data expect you directly formatted the SD card without making a backup.

But the actual cases are complex and far from our expectations. Frequently not showing an SD card is likely to develop further damage and eventually fail to show up on the computer. That's why we always emphasize the importance of backing up important data before it's too late.

Losing access to data is terrible, but not the end of the day until you find reliable, robust, and easy-to-use EaseUS Data Recovery Wizard. For example, EaseUS Data Recovery Wizard. It goes compatible with all Windows and Mac OS X/macOS platforms and supports 250+ types of files. Most of all, you can always preview the files you found before deciding whether to recover them or not. Very dependable yet user-oriented software that deserves your try.

 Download for Win Recovery Rate 99.7%
 Download for Mac Trustpilot Rating 4.6

Step 1. Select the drive where you lose your data and click "Scan".

select and scan the hard drive

Step 2. Use "Filter" or "Search" to find the lost files when the scan completes.

Preview lost hard drive data

Step 3. Select all the files you want and click "Recover". Then, browse another secure location to save them.

recover data from hard drive

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