Insert the micro SD card into the slot face up with the gold pins going first. You can read and write to an SD card just like any other external drive.īut if your MacBook Pro/Air has no SD card slot, you need to buy an SD card reader/adapter for your Mac and download its SD card reader driver. Then your computer will recognize the SD card inserted into the card slot as a storage device. Leave it for a few minutes, turn it back on, and try again.

So, when your Mac like MacBook not reading the SD card, you can try to remove the SD card and then switch off the Mac.

It also works when external drives are not showing up on Mac. Do not force the device into the slot if you note an uncommon resistance, instead pull back the SD card or MicroSD adaptor and visually check for deformities in the card or slot.Īnyway, a simple reboot can fix a computer issue 80-90% of the time.If your SD Card is an SD adapter for microSD, make sure the MicroSD is inserted properly in the adapter, if the issue persists replace the adapter for another one.

Make sure that the metal contacts face down and point toward the computer when inserting an SD card.Avoid using an SD card that has a thickness greater than 2.1mm.

How to format sd card on imac