SOLUTION 2 - Verify the reader's status under Device Manager. NOTE: No additional drivers need to be downloaded for the card readers as they are native to the above mentioned supported operating systems.įor Mac users, see Troubleshooting USB device on Mac SanDisk card readers support Windows Vista, Windows XP SP2 and Windows 2000 SP4, Windows 7. SOLUTION 1 - Verify if minimum system requirement is met.