Fixed: SanDisk 64GB Micro SD Card not Recognized in Windows 7/8/10

July 3, 2018

This paper demonstrates you the possible reasons and according methods for SanDisk Micro SD card not recognized in Windows 10/8/7 in detail.

Scenario

“I have a SanDisk 64GB Micro SD card and try to copy some files to it. But after I connect it to my PC that Windows 7 installed, I find that it is not recognized and it is not displayed in File Explorer. I don’t know how to deal with this issue? Is there any advice to fix SanDisk 64GB Micro SD card not recognized in Windows7? Thanks a lot!”

Possible reasons for SanDisk 64GB Micro SD card not recognized

There are various elements that can cause SanDisk 64GB Micro SD card not recognized and possible reasons are concluded as follows:

  • Poor connection between SanDisk 64G Micro SD card and SD card adopter

  • The USB port that the SD card is connected to is not working

  • Outdated driver

  • SD card is not assigned a drive letter

  • Corrupted or incompatible file system of SD card

  • SD card is physically damaged

Quick fixes for SanDisk 64GB Micro SD card not recognized

After having a basic understating of the events that can lead to SD card not showing up or recognized properly in Windows 10, you can refer to the solutions that will be presented in the following text and try one or more ways.

Fix 1: Clean your SanDisk 64GB Micro SD card and SD card adaptor gently

Check whether the SanDisk 64GB Micro SD card and the SD card adaptor are clean. If they are covered with dust, there will not be a good contact between them and the 64GB SD card could not be recognized by Windows. Therefore, you should make them keep clean, so that the SD card can be recognized.

Fix 2: Change USB port or connect SanDisk 64GB Micro SD card to another computer

When SanDisk 64GB SD card and adaptor keep in good contact but it is still not showing up in Windows 7, you can change the USB port that the SD card is connected to another port to see whether you can see SD card. If not, try to unplug SD card from this computer and connect it to another computer to see whether the problem is with the computer.

Fix 3: Assign drive letter to the SanDisk 64GB Micro SD card

If both of contact between SD card and SD card adapter & USB port is OK, it is time to check whether the partition on the SD card is whether drive letter. Here are steps:

1. Press Windows+ R, input diskmgmt.msc and hit Enter to access Disk Management.

2. If the partition on the SanDisk 64GB Micro SD card is without drive letter, right click it and choose “Change Drive Letter and Path…”.

3. Click “Add” and assign a drive letter to the partition. Then, click “OK”.

Assign Drive Letter

3. Close Disk Management.

Fix 4: Update driver for SanDisk 64GB SD Card

SanDisk 64Ggb Micro SD card not showing up cam be caused by outdated driver. In such circumstance, you can update SanDisk 64GB SD card device driver. Refer to the steps given below:

1. Press Windows + R simultaneously, input devmgmt.msc and hit “Enter” to open Device Manager.

2. Right click the SanDisk 64GB Micro SD card drive and chose “Update Drive Software”

3. Select “Search automatically for updated driver software”

Fix 5: Repair SanDisk 64GB Micro SD card via Disk Checking

When the SanDisk 64GB Micro SD card is showing up in Disk Management but you are unable to open it and get the message “G:\” is not accessible, you can try to fix Micro SD card not reading issue by running Disk Checking. Have a look at the detailed steps.

1. In File Explorer, right click SanDisk 64GB SD card and choose Properties.

2. In pop-up window, click Tools and click Check Now.

3. Choose automatically fix file system errors and click on “Start”.

After that, you can check whether the SanDisk SD card is recognized properly.

Fix 6: Format SanDisk 64GB Micro SD card to a file system compatible with Windows

If the SanDisk 64GB Micro SD card is formatted with the file system is not compatible with Windows operating system, it will not be working in Windows. In such case, you can format SanDisk Micro SD card to a proper file system. Here you can have a try of AOMEI Partition Assistant, a reliable and comprehensive SanDisk SD card format tool for you, which allows you to format SanDisk 64GB SD card to exFAT, NTFS, FAT32, Ext2, Ext3 and Ext4 simply and effectively. Let’s see how it works:

PS.: Formatting will erase all data on the SanDisk 64GB SD card.

Step 1. Free Download AOMEI Partition Assistant. Install and run it. In the main user interface, right click the partition on SanDisk SD card and select “Format Partition”

SanDisk 64GB Micro SD Card not Recognized Format

Step 2. In the small window, choose a file system compatible with Windows (Here I select FAT32) and click on “OK” button.

Choose FAT32

PS.: Here you are also allowed to change cluster size or add partition label.

Step 3. In the main interface, click “Apply” > “Proceed” to execute formatting.

Apply

After formatting SanDisk SD card to a file system full supported by Windows, it will be recognized appropriately by Windows.

If it doesn’t present in File Explorer and without drive letter, you can assign a drive letter to it.

Conclusion

SanDisk 64GB Micro SD card not recognized in Windows 7/8/10 can be the result of different events. Thus, it is possible that you can’t fix this problem using only one solution. If you are in such case, be patient and try more solutions according to the possible reasons.