I have been using ElementaryOS on a laptop for a few weeks now. I have a 2012 Mac Mini which is my main machine. I d'loaded - and checked - the iso. Run from USB Elelemntary works great, so I decide I would like to install to an ext Hard Drive on Mac then have choice of OS at boot. Clicked install option, get through a few screens then when it offers option to d'load updates and third party software - I am online - it stays at that screen with spinning wheel - for 2 hours before I gave up.I tried again and second time unchecked the options for d'loading updates - same thing.