In order to sucessefully install windows 10 update, i had to resize bootcamp partiton with AIOMEI tools. However when the update was finish, [and only after reboot + Alt] there was only Bootcamp partition without Macintosh Hd option. Now I can´t acess Mac OS. Any solutions ? Same discussion here. https://discussions.apple.com/message/33268724?start=15&tstart=0 Thanks in advance.