Things You'll Need
Instructions
Insert the SD card into the PS3. The SD card slot is to the left of the disc-loading slot, underneath a black plastic cover that lifts up.
Go to the "Settings" column of the PS3 main menu. Select "Format Utility."
Select the SD card you're formatting from the list that comes up. Choose either "Quick Format" or "Full Format."
Confirm that you want to format the card by selecting "Yes" from the following menu.