I reuninified them as original size 250GB. (MAC OSX partition was 250GB and resized it to 249GB) and I found 1 more partition created with 1GB. For solve the problem above, I tried to resize MAC OSX partition. Untill this moment, I could see bootcamp in boot mode selection when I tried. This partition map modification would make a windows partition unbootable'. Using disk utility I erased MAC OSX for clean installation and proceeded installation.īut I got an error massage saying 'OS X could not be installed on your computer. MAC OSX + BOOT CAMP + Shared Partition(FAT32)Īpple OSes do nto understand such layouts and are recipe for data loss waiting to happen.įor upgrade to EL CAPITAN, I used bootable USB.