Time Machine: Frequently said a new backup must be created on my hard drive NAS. Nothing seems to be in disarray when this happens. I can't infer why.

In what circumstances, Time Machine deduce that a backup is unusable and tells me that he should create a new on my hard drive NAS Buffalo?

My system is:

-OS X: 10.9.5

-MacBook Pro

-4 GB of memory

-Hard drive 500 GB

I asked that your thread moved to the forum of the Mavericks.  Leopard people may not have the same problems as you.

Tags: Mac OS & System Software

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