crwdns2934243:0crwdne2934243:0 Tim D

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crwdns2934241:0crwdne2934241:0 Tim D

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Were you using a new SD card? Is it one of the GoPro recommended cards: https://gopro.com/help/articles/Block/microSD-Card-Considerations

You can also try a factor reset and firmware update.

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