SD cards and microSD cards have a lot of their own unique terms and specifications. It will all make sense once we break it ...
Try using a different SD card to see if the issue is with the card itself (if available). Sometimes, a loose connection between the SD card and the reader can prevent it from being detected properly.
Micro SD card is the different name of the TF cards. When Motorola and SanDisk released the TF cards in 2004, they also launched a stand-alone product. Keeping aside the fact that the TF cards ...