There is a setting in the customize buttons window. To change the the toolbar from small icons to big icons and have labels for each icon. Have you tried that or are they to small as well?

Using the GUI I can always return my USB HDD without problems, however using the command line gives meCannot return XYZ USB Device <ntfs mountpoint> device back right now Some processes might have opened files on this device nei ghbours at USB-hub. Stop them and try to stop again. Use usr wholocks ....