murdock_

Q: Attempting to copy to the disk Macintosh HD failed... error (-54).

Have seen older versions of this issue, but was crossing my fingers it would fix with iOS 9.3 release and an update for iTunes and el cap. I am currently running the latest of all three: OS X El Capitan 10.11.4 iOS 9.3, iTunes 12.3.3.17.

 

My issue is when backing up my iPhone 6+ to iTunes. I am doing a full backup, encrypted. Every attempt results in the same error message:

Attempting to copy to the disk Macintosh HD failed. An unknown error occurred (-54).

I successfully backed up my iPad Air 2 (running 9.3) this morning without issue. Tried my phone, same error.

 

My life is on my phone, so having a backup on my computer of everything (not just iCloud) is very important to me.

 

I hadn't had issues with updating until upgrading to OS X el capitan.

 

I find it strange my iPad running the same iOS works fine, but phone on iOS 9.3 fails. Makes me think it is a iPhone issue? but what do I know.

 

PLEASE ADVISE!!

iPhone 6 Plus, iOS 9.3

Posted on Mar 22, 2016 6:14 AM

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Q: Attempting to copy to the disk Macintosh HD failed... error (-54).

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