Format an SD card in your computer.
Click on your platform to show the formatting instructions for your SD card:
Here is a link that shows you how to reformat an SD card (or MicroSD card) on your Mac. The steps are also written out below.
- Connect the SD card to your computer by using an external card reader. Save all the files from your SD card that you want to keep to your computer before moving to step 2. Formatting the SD card deletes all the data off of the card.
- Note – If you’re using a Micro SD card, please insert the Micro SD card into the SD card adapter that came with card. Connect the SD card adapter to your computer by using an external card reader.
- Also note – Mac OS 10.6.5 or earlier does