Insert your CF card into your CF card adapter which you have connected to your PC.
NOTE: Your CF card may not appear as drive G: in your computer.
Right click on your CF card drive and select "Format...":
The Format dialog will allow you specify the File System. Ensure that "FAT32" is selected:
You can enter a "Volume label" if one is required.
When you are ready, press the "Start" button.
All information on the CF card will be erased and cannot be recovered if you format your CF card. Please ensure that you have backed up the contents of your CF card before formatting.
You will be asked for confirmation before the format procedure begins. Press "OK" to begin.
This will format and erase all information on your CF card.
When the format procedure has completed you will be presented with a confirmation dialog:
Press "Close" to finish.
Safely remove your CF card.
Your CF card is now ready to use in your camera.