4 Replies Latest reply: Nov 15, 2012 11:33 AM by GeneMike
GeneMike Level 1 (5 points)

If one has chosen Time Machine with an external hard drive, what happens if you use the computer with the external not connected and then return and connect the hard drive.  Does Time Machine pick up where it left off or do you lose the work when the HD was not connected?

MacBook Pro (15-inch, Mid 2012), OS X Mountain Lion (10.8.2)
  • markwmsn Level 5 (5,572 points)

    Time Machine resumes work, backing up whatever you changed while the drive was disconnected. The only thing you might lose was intermittent states during the time of disconnection, but TM will even catch those if the system drive has enough space.

  • GeneMike Level 1 (5 points)

    Thanks!  What does "intermittent states" mean?


    P.S. I like your logo.  If that was your first Apple, I have you beat with an Apple II!

  • markwmsn Level 5 (5,572 points)

    Sorry. That was supposed to be "intermediate states." Maybe a typo, maybe autocorrect.


    Yes, the first microcomputer (as we called them then) that I ever owned was a Fat Mac in 1984. Before then, all the computers I used were owned by others and required dedicated rooms of their own.

  • GeneMike Level 1 (5 points)

    Thanks, again.  My first was an Apple II in 1979 that replaced and Osborne!  Of course, the company had the rooms you talk about!