Start Bootcamp and it should allow you to use your Disk/USB with both versions.
(You may have to authenticate and enter your admin password). Drag ist back into the Contents folder and select replace. So if your Mac identifier was 'iMac13,2' then it would look like this: With your Mac's Identifier copied, go back to your open ist file create a string at the TOP of the entries. Under Hardware Overview, look for Model Identifier and copy it.Click the Apple in the top left hand corner and select About This Mac Open ist on your desktop with a text editor If it's not working, I found another solution, you have to edit the ist of the Boot Camp Assistant's package content:Ĭontrol Click or Right Click on Boot Camp Assistant and select 'Show Package >Contents'ĭrag the file 'ist' to your desktop (I also recommend saving it in >another place as well in case you want to revert to the original) For me the solution was just to Unmount the windows 10 iso.
