Hi, you can plug your SD card to another devices to have a try, if the problem ison your SD card, you can try the following way to repair it. 1. Update card reader driver Insert SD Card into your PC’s card reader. Go to Navigate Control Panel – System – Device Manager– Disk drivers Right-click your USB device and select Uninstall and choose Scan for hardware changes to refresh the drivers. 2. Format your SD card, but note that this way will erase all the data on your SD card, so remember to make a backup, or you can just download the Bitwar Data Recovey to avoid data loss. ... View more