Why is my SD card filling up too quickly?

by Jon Palmer   Last Updated March 10, 2018 06:18 AM

I recently bought a 32GB SD card for my 60D. I have it set to raw + jpg and when I inserted it for the first time it showed 898 shots available, which looked right because my 16GB cards hold approx. 450 shots on a new card with the same settings.

I've taken 114 shots so far and noticed that the available shots were 234.

When I examine the card on a computer the image files add up to 3.3GB but the properties window shows that the used space is 22.4GB, and I can't see any other files on the card, unless they're hidden

Should I just reformat the card?

Answers 3

I had the same issue. It is a possibility that you have indeed some hidden files. To delete them you should format your storage card.

On a canon you can do that in the menu.

  • Click on the menu button
  • Go to the wrench icon which is displayed on an orange background.
  • Go to format
  • Enter it by clicking on the set on your camera
  • You can choose to do a low level format over there too
June 14, 2014 13:22 PM

Apart from hidden files, it's possible that the filesystem on the SD card has become corrupted. A filesystem keeps a record of all files and what space they occupy on the medium, as well as a record of free space. It's possible to have space unaccounted for (i.e. neither used by a file nor on record as free) and thus "missing". This can happen e.g. when power is cut during a write operation.

To repair this on Windows, you can use the error checking operation in the disk properties dialog:

enter image description here

Michael Borgwardt
Michael Borgwardt
July 15, 2014 07:56 AM

Meri jindagi ek mor so ho gye hai

Raja sahik
Raja sahik
March 10, 2018 05:28 AM

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