I don't know what you mean. Explain in more detail. Show us screen captures of the problem (click on the "Insert Photos" icon to include the screen captures in your reply; do not provide attachments, as most people will not donwload attachments).
When in the import dialog, click on "Select a source" and Desktop should be at the top of the list. But I don't think you want to import from the desktop, really. At least be prepared to move the images (I would because I wouldn't want to leave images there). You might want to consider putting them in a logical folder first. But that's only a suggestion. You can import from the desktop if you really want to.