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Any hard drive can become corrupted. If it's still working, now is the time to backup to an external drive. If you don't have one, get one, they are inexpensive (especially compared to losing data.). I have used Western Digital drives with good luck so far.

I recently replaced the hard drive in my Macbook, not because of failure, but it was getting full. This can be a do-it-yourself project.
 
Any hard drive can become corrupted. If it's still working, now is the time to backup to an external drive. If you don't have one, get one, they are inexpensive (especially compared to losing data.). I have used Western Digital drives with good luck so far.

I recently replaced the hard drive in my Macbook, not because of failure, but it was getting full. This can be a do-it-yourself project.
does replacing the hard drive with a ssd void the applecare warranty?
 
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