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can't copy iPhone 6s back up on macintosh hd error -54

hi


when i do back up my iPhone 6s I have the "can't copy on Macintosh HD unknown error -54"...

I've got 60 free GB on Mac and my iPhone 6s 64gb has 25 free GB's yet

at the end it seems the back is complete but i always get the aforementioned error message...

what can it be?


thanks

iMac

Posted on Nov 9, 2015 1:24 PM

Reply
6 replies

Nov 26, 2015 2:25 AM in response to marsworld

Follow the steps given by msg- it was the only thing that worked for me, and I had tried various other suggestions...

https://discussions.apple.com/thread/7248947?answerId=29073954022#29073954022

In El Capitan I couldn't do the "repair disk permissions" as such, but I carried out the "first aid" that is offered in Disk Utility now, and then followed msg-'s steps.

To boot in safe mode, shutdown or restart your Mac, and quickly press and hold the SHIFT key when you hear the start up tone, release when the apple logo appears...https://support.apple.com/en-us/HT201262

can't copy iPhone 6s back up on macintosh hd error -54

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