After upgrade Time Machine won't work

Discussion in 'OS X Mountain Lion (10.8)' started by tyrell456, Jul 26, 2012.

  1. tyrell456 macrumors member

    Joined:
    Dec 28, 2011
    Location:
    Salt Lake City, Utah
    #1
    I have a Late-2011 13" MBP that came with Lion, and I just upgraded it to Mountain Lion last night. However, since the upgrade, it no longer works with my Time Machine backup I've been using on Lion. When I try to backup, it pops up this box:


    Does Time Machine not support backing up to the same disk a previous version of OS X (in this case, Lion) was using? Do I have to wipe the whole backup and start fresh? Or is there something going wrong here?
     
  2. candecochran macrumors newbie

    Joined:
    Jul 26, 2012
    #2
    I have this exact issue after the upgrade along with a whole host of other issues. Here are a couple:

    My iMac has also doubled the time it takes to boot up.
    Safari takes MINUTES to load a page - it is so painfully slow.

    Has anyone found any updates to these issues?
     
  3. marhk macrumors newbie

    Joined:
    Mar 3, 2009
    #3
  4. DockMac macrumors regular

    Joined:
    Dec 22, 2008
    #4
    Mine works, BUT, it says there is no Latest Backup and no Oldest Backup but they are still on the disk.
     
  5. SDRacerR1 macrumors member

    Joined:
    Aug 28, 2009
    #5
    Thats how mine was...WATCH OUT....It deleted ALL my Lion TM backups!!!! Thankfully i have a SuperDuper clone!
     
  6. Corrode macrumors 6502a

    Corrode

    Joined:
    Dec 26, 2008
    Location:
    Calgary, AB
    #6
    I'm having the same problem. External HD connected to Airport Extreme.
     

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