What is the question mark (?) icon displayed in the image list?

One or more question mark (?) icons showing in the image list indicate any of the following.

• The picture files were edited or modified with a computer, or the file format is not supported. Pictures edited or modified by a computer may not display on the digital photo frame. Ensure the pictures are saved in a compatible file format.
• The image is a JPEG file created with a computer.
• The picture does not have thumbnail image which is necessary for index display.

NOTE: If model-specific information about the file formats supported by your digital picture frame, refer to the operating instructions supplied with the product. Manuals are posted on your model support page.