MAC is not recognize external hard disk after shutdown Tags: Hard Drives Buffalo Shutdown Macintosh Storage Last response: October 28, 2012 9:00 PM in Storage Share binhzm October 28, 2012 5:57:54 AM Hello, I have connected my Buffalo External Hard Disk - 320GB to my Mac, after used, I have shut downed my MAC without safely ejected the hard Disk. Next Use,The external hard disk was not recognize not only by my MAC but also by the other WINDOWS PCs. What is the problem and how I can solve this, please help me. Thanks in advance. More about : mac recognize external hard disk shutdown Reply to binhzm RealBeast a c 232 G Storage October 28, 2012 9:00:59 PM Most likely the drive was not finished writing and the shutdown at that point corrupted the MBR. You should be able to repair the MBR on either a MAC or PC, but the specific method depends on which OS version you do it on. Reply to RealBeast Ask the community Post an answer Related resources: ForumOne terabyte Hitachi external hard drive not recognized ForumWindows 7 Cannot Boot after Hard Shut-Down ForumExternal eSATA disk not recognized ForumMy external hard drive wont pick up on my pc or mac ForumPartition Maxtor One Touch External Hard disk ForumVista doesn't recognize my external USB drive ForumI have configured wd passport hard disk with mac os, but i can not access it in ForumHow to get computer to recognize external hard drive ForumConverting external hard disk to internal after overvolting ForumExternal HDD problem Mac /Win 8 ForumInstalling 2 disk game using external hard drive ForumLaptop as Desktop's external USB hard drive??? Forumexternal hard refuses to OPEN ForumHow to fix corrupted external hard drive ForumAnyway to recover data from formatted external hard disk ? ForumExternal hard drive esata & firewire 800 for mac ForumMac to External Hard Drive to PC? Forum1 HDD vs. 2 HDD RAID-0 ForumFormatting hard drive with OS on it ForumCan't boot from cloned hard drive More resources Read discussions in other Storage categories Hard Drives DVD Drives DVD Writers Optical Media Flash Media NAS/RAID SSD Western Digital !