How to Format a MicroSD Card that Can't Read


If you are having trouble accessing files on a MicroSD card, you may need to re-format it. Formating a MicroSD card is a simple process, but will erase all current content on the memory card, so make sure you back up all important data before formatting.

  • Insert the MicroSD card into a standard SD adapter, and then connect it to your computer using either an SD card port or memory card hub. Then open the "My Computer" utility.

  • Right-click on the MicroSD card and then select "Format" from the sub menu. A new window will pop up.

  • Select the "NTFS" file system as the format type and make sure all checkboxes at the bottom of the window are unchecked. Then press the "OK" button to start the formatting process. The format will take several minutes. Once finished, a notification window will pop up.

Tips & Warnings

  • The NTFS file system is compatible with all Windows PCs and many mobile devices. However, if you need to format the MicroSD card in a mobile device, simply insert the card and launch the card management utility on your device to format it using the device's filesystem. See your owner's manual for specific instructions.

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