Need Help, Pleases..urgent, installed Yosemite. 1.My second win7 PC cannot access Imac files, but can connect to Imac, such as the attached picture. I also use another win7 PC same issue. I can access and connect normally pervious . 2. I use my win8 notebook can access imac files and type password is ok. P.S. I have tested case by case, macbook using mac osx 10.9 and other is windows7 <---this normal win7 PC can read and write the macbook files.Win8 notebook can read Yosemite version's Imac files. It just problem into Yosemite when windows7 connect imac. Please advice and provide the solution brothers. Many thanks.