Reformat

[Richard Van den boogaard]

Advice – do it in-camera. That way you can’t do the wrong thing…

Richard van den Boogaard
cameraman / editor / video marketing consultant

Branded Channels
W: http://www.brandedchannels.com

[Ryan Mast]

If it “went bad,” throw it out.

If you want to test it first, I recommend doing a zero-wipe format in Disk Utility, then reformatting it in your camera. If your card is iffy, the zero-wipe will throw an error. And then you throw the card out.

—
Meteor Tower Films
We make music videos, design video for live theater, and build interesting contraptions.

[Michael Sacci]

The card should always be formatted in the camera. There is a low level format option also.

[Stephen Smith]

When I put the card into my T2i the camera will not turn on. When I put it into a card reader on my Mac I can see everything on it. So I can’t format it in the camera but I can on the computer.

Stephen Smith
Utah Video Productions

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[Pete Burger]

FAT16 is not usable for your camera, but you can try to format the card with your computer and then try it again with your camera. If the camera recognizes the card, re-format it with the low-level-format option. If not… well… the card my be damaged and you can throw it away