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You are here: MacNN Forums > Hardware - Troubleshooting and Discussion > iPod, iPhone & iPad > "can't update iPod" sync problem, error (-48)

"can't update iPod" sync problem, error (-48)
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Jan 11, 2007, 04:22 AM
 
Hi All,

I'm having a problem sync'ing my 60Gb video iPod (my Mac is running OSX 10.4.8, iTunes is 7.0.2)

The other day I let my iPod's battery run all the way down. When I plugged it into my Mac, I seem to remember some sort of message on the iPod about the battery being too low (and perhaps a beep, but then things are always beeping around here it could have been something else).

Quite soon, I got the normal "do not disconnect" dialog on the iPod (I thought: "looks like enough battery charge to start acting normally"). Unfortunately, I got a message in iTunes that there wasn't enough room to sync. That was strange, as there was plenty of room, and I hadn't added anything to be sync'ed in iTunes. Just in case, I deleted a bunch of stuff on the iPod (I use it as a portable hard drive, so this deleting was from the Finder, not iTunes).

I tried to sync again, but even after having deleted 10 gigs or so, I was still getting the same message (not enough room). It was then that I checked the contents of the iPod in iTunes, and it indicated that there was no content (left hand column of iTunes), but it also indicated that there was 40Gb taken up already (bottom "thermometer" indicator in iTunes). More than a little strange as, from the Finder, there was nothing extra on the iPod (just iTunes managed folders).

I guessed that all of the iTunes managed content was still on the iPod, and that iTunes just lost track of it, so it was trying to sync all of that content back on to the iPod, and of course there wasn't enough room to put another 40Gb on.

So, I clicked (for the first time ever) the "Restore" button in the Summary tab of the iPod section of iTunes. I didn't actually expect iTunes to wipe the iPod (I guess I thought it'd be like rebuilding permissions in OSX), but starting clean certainly is a good way to, well, start clean.

Unfortunately, I'm now getting a new error when attempting to sync (fyi: my iPod is named "transfer"): 'Attempting to copy to the disk "transfer" failed. An unknown error occurred (-48).'

I've restricted iTunes to sync'ing just music, same error, with just vids, same error. Another attempt with the "Restore" button in iTunes, no joy.

Can anyone suggest a course of action?

Many thanks in advance,

Chas
     
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Jan 11, 2007, 05:17 PM
 
I've just had the -48 error on my Nano. Connect your iPod and open Disk Utility (you may have to make sure it can be used as a disk), and repair the iPod disk, then restore again to be on the safe side. That cured it for me.
     
chasg  (op)
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Jan 11, 2007, 05:51 PM
 
Success! Many thanks (now why didn't _I_ think of that solution, I !@£! tried everything else :-/

Chas
     
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Jan 13, 2007, 12:45 PM
 

I'm a bird. I am the 1% (of pets).
     
chasg  (op)
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Jan 13, 2007, 04:26 PM
 
Woah, is that weird or what??

Thanks for that pointer.

Chas
     
   
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