Thanks, but that's not the problem I'm having. In your screen cap the icons are visible. Absolutely no icons whatsoever are displayed under the circumstances I noted. Only the textual information (filename, type, date, etc.) is displayed. I'll try to post an image later. Even if rebooting caused the problem to go away (which it didn't), this would still be an issue with X1, but thanks for the suggestion.
As I wrote previously: When I click on Files under Everything or click on Files in the Favorites bar, no file icons are displayed.
As I wrote previously: When I click on Files under Everything or click on Files in the Favorites bar, no file icons are displayed.