Why Does Verification Fail?

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If the SD card fails verification, it could bedue to:

1. The card is damaged or faulty

2. The card is a counterfeit and the stated capacitydoes not match the actual space on the card

Try a different card, a different-sized or brand of card. If multiple cards fail in the same way, make sure the card is seated properly in the card slot. If using a USB card reader, make sure the cable is good and the USB connection is seated properly in the Mac’s USB port.