Insert the SD card fully into your computer's memory card reader. If you are using an external card reader, connect the card reader to your computer before inserting the memory card.

Mac 911 How to use an SD camera card with your Mac Depending on the vintage, you might have a slot or require an adapter.

Admit it, you're confused about which secure digital (SD) memory card to buy. We'll help you figure out the best SD/ Micro SD card for your GoPro, DSLR, phone, tablet, or Nintendo Switch.