Chapter 11 Troubleshooting 121zThe memory card or the CF card adaptor (in case of xD Picture card) isdefective.Try with another memory card and if you do not experience a problem, the first memory card maybe damaged. In this case, reformat the memory card with the digital camera. When you reformatthe memory card with the digital camera, all the data on the memory card will be deleted. If youcan read image data on the computer, reformat the memory card after you have backed up theimage data.If you still have problems with another memory card, the CF card adaptor may be defective, or thecard is not operating correctly with the machine.X Images on the memory card are not recognisedzThere is no image on the memory card.Check if there is any image data on the memory card using your digital camera or computer.zThere is some invalid image data on the memory card.If < NO FILES ON CARD> is displayed on the LCD, there are only invalid images on the memorycard. If a message is displayed, see page 138.X Cannot print correctly from the memory cardz“?” is printed in the index.The image data does not comply with the DCF (Design Rule for Camera File System) standard, orthe image data is not in JPEG format. Check the image data in your digital camera or computer. Or,the size of the image data may be too large. If you cannot print the photograph from the machine,print it from your computer.X Cannot write to a memory card from PCz<CARD PROTECT> is set to <ON> or Photo Print mode is entered.Press [Additional Functions] and set <CARD PROTECT> to <OFF>. After switching to any modeother than Photo Print, disconnect and reconnect the USB cable.zCannot write to an SD memory card.If you are using an SD memory card, depending on how you insert it, the write protect lockoccasionally may lock. If this occurs, release the SD memory card lock, and while being cautiousnot to engage the write protect lock, insert the memory card.PC