This article explains how to reformat your SD card with your HD HERO2.
Note – reformatting the SD card will delete all data off of the card, so be sure that you save any videos or pictures you want to keep on your computer before reformatting the SD card.
For a video demonstration on formatting an SD card with your GoPro camera, check out this article: Formatting your SD Card from your GoPro Camera’s Settings Menu
We’re going to navigate though the camera’s settings menu to reformat the SD card. To navigate though the menu, use the front (Power) button to move through the various menu options and the top (Shutter) button to select them.