• You are probably not using the correct Memory Stick Type: please refer to the documentation delivered with your camera or device for Memory Stick Media compatibility with your camera or device. For more information on compatibility, please click here.
• Check that the Write Protect switch on the Memory Stick is not set to LOCK.
• If you use a camera that accepts different media types, make sure that you have selected the correct media configuration.

Does this solve your issue?

• Yes
• No