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I've had some problems with my Mac recently, and thinking they were a bad block issue, I zeroed out the drive, reinstalled OS X and restored everything with Time Machine/Migration Assistant.

The issues persist, which leads me to think that they are not caused by bad blocks. If I had a corrupt system file before the backup, will restoring the whole system (ticking all the boxes when asked what to restore) with Migration Assistant restore that file too?

On other words, might backing up individual files, wiping, reinstalling, and putting everything back into place (without Time Machine, just copy paste) fix the problem?

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Could you at least describe the problems you are experiencing and explain why you have reason to believe this is FS related? – Gerry Dec 10 '12 at 13:00

closed as not a real question by Gerry, bassplayer7, patrix, Mark, Stu Wilson Dec 14 '12 at 21:41

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, see the FAQ.

1 Answer

If you have a corrupted Filesystem (You can check with DiskUtility which hopefully would detect such corruption) the problem can be fixed by doing a fresh initialization of the drive. (A zero wipe will only wipe the freespace and not necessarily give you a fresh filesystem depending on your selected options.)

If you really do have bad blocks (how did you check this) it is a hardware failure which you cannot fix. You need, and should do so asap, replace the drive with a new one or you will loose (more) data.

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