Detalied problem and fix: Dolphin showing .ISO file as text and opens in Kate or Kwrite. To duplicate this problem, download the three ISO files below:
dban-2.3.0_i586.iso shows as normal in Dolphin. http://sourceforge.net/projects/dban/files/dban/dban-2.3.0/dban-2.3.0_i586.iso/download xubuntu-14.04.3-desktop-i386 shows as text in Dolphin. http://mirror.us.leaseweb.net/ubuntu-cdimage/xubuntu/releases/14.04/release/xubuntu-14.04.3-desktop-i386.iso gparted-live-0.23.0-1-i586 shows as text in Dolphin. http://downloads.sourceforge.net/gparted/gparted-live-0.23.0-1-i586.iso open terminal edit the freedesktop.org.xml file below the x-cd-image entry kdesudo kate /usr/share/mime/packages/freedesktop.org.xml Freedesktop.org.xml before: <sub-class-of type="application/x-raw-disk-image"/> <alias type="application/x-iso9660-image"/> <glob pattern="*.iso"/> <glob pattern="*.iso9660"/> </mime-type> Freedesktop.org.xml after: <sub-class-of type="application/x-raw-disk-image"/> <alias type="application/x-iso9660-image"/> <glob weight="80" pattern="*.iso"/> <glob pattern="*.iso9660"/> </mime-type> save the xml file update the mime database sudo update-mime-database /usr/share/mime reboot computer You should now be able to view ISO files as normal.
