Currently Being ModeratedMay 5, 2012 3:30 PM (in response to Tonedef Entertainment)
I'm still in the same boat - none of the suggestions so far have worked for me :-(.
Currently Being ModeratedMay 20, 2012 8:28 PM (in response to Mick_M)
So I'm hopeful I've solved this for my situation. Backing up over USB always worked on my iPad but not my iPhone, so it had to be something with the iPhone and not the cable. I've tried all suggestions mentioned here without success. It dawned on me that I have wifi sync enabled on my iPhone but not my iPad, so I turned that off and I've been able to back up my iPhone three times in a row now without incident. That hasn't happened in a very very long time...
If anybody else can confirm this fixes the issue then I'll make a bug report to Apple.
Currently Being ModeratedMay 22, 2012 1:19 AM (in response to Bruce Johnson5)
I have an Apple I-Phone 3gs and have tried everything suggested above but cant back up my I-Phone, also occassionally I get USB device not recognised.
I had a similar problem with my I-pod touch and ticking wi fi sync cured this.
Currently Being ModeratedMay 25, 2012 9:41 PM (in response to Lawrence Finch)
You do indeed ROCK. I had tried all of these and more to solve my "Could not backup iPhone because the iPhone disconnected" problem. Note that each step includes a reboot of both the iPhone and the PC in between:
- Deleted iTunes.
- Reinstalled iTunes.
- Turned off all antivirus programs.
- Uninstalled all antivirus programs.
- Deleted all apps installed in the last 30 days.
- Turned off wi-fi on the iPhone.
- Swapped out the USB cable.
- Swapped out cable #2, just in case.
- Relocated cable #1 to rear USB port
- Relocated cable #2 to rear USB port
Then I found your post. Renaming the backup folder to BACKUPSAV worked. YOU ROCK!!!!!
Currently Being ModeratedJun 24, 2012 11:43 AM (in response to Wishsathya)
Forget about finding backup location.
just go to iTunes preference
Delete backup and make a backup again
I hope it works...
Currently Being ModeratedJun 24, 2012 11:48 AM (in response to msavasari)
That doesn't always work, if the backup is badly currupted. That's why you need to delete the folder if this simpler method doesn't solve the problem.
Currently Being ModeratedJul 28, 2012 4:36 PM (in response to Lawrence Finch)
I simply deleted the latest backup of my device, and it seems to have fixed up the problem perfectly!
Currently Being ModeratedAug 11, 2012 11:51 AM (in response to Wishsathya)
If you have changed the location of the itunes media folder try to reset the location to it's default. You do this in itunes preferences.
Hope it works
Currently Being ModeratedAug 13, 2012 6:11 AM (in response to Bruce Johnson5)
Running iTunes in Admin mode
Deleting USB Cache via device management
Renaming the backup folder
Disabling the Wifi Sync via the summary screen in itunes
reseting the itunes media folder location in the advanced section
Restarting the computer and iphone after each attempt
I'm still getting the error "... because the iphone disconnected."
Any other ideas? I'm resorting to Tipard iPhone Transfer Platinum to backup
Currently Being ModeratedAug 13, 2012 6:28 AM (in response to brainstewn)
Have you tried connecting the phone to a USB port directly on your computer, not to a hub? And if you use a front port on a desktop or tower computer either try a rear port, or make it the only device connected to the front?
Currently Being ModeratedAug 13, 2012 7:06 AM (in response to Lawrence Finch)
Lawrence, you are clued into this problem, moving the cable to a USB port on the pack of the PC, directly connected to the PCI bridge, worked; ironically I just bought a long iphone cable. THANK YOU.
Currently Being ModeratedAug 13, 2012 11:55 PM (in response to Lawrence Finch)
It's only my iCal that won't sync with my iPhone4 (generation 1). I have tried all of the suggested solutions--except deleting the whole backup folder--but I have restored factory settings twice. iCal is the only thing that won't sync. Can you help me? I'm running Lion on a MacBook.
Currently Being ModeratedAug 29, 2012 11:53 AM (in response to Lawrence Finch)
Lawrence, it seems the direct attach to the computer is the answer. I've had no problems having my iPhone4 synch with my iMac until the past week (about 2 weeks after upgrading to Mtn Lion), and now this. After swapping cables, resetting the iPhone, restarting iTunes, and rebooting, still had the "can't synch" error. The minute I put the cable on the back of the iMac, everything synched just fine.
I had similar issues with a scanner that went away after plugging into the back of the iMac. But now I'm out of slots! (speakers, external hard drive, TV tuner, scanner, iPhone, external BluRay burner) I gotta use a hub! :^( I'm wondering now if I'm having a failure of the hub . . .
It's always something . . . ;^)
Currently Being ModeratedAug 29, 2012 12:11 PM (in response to Mugwumper)
Get a good quality hub that has its own power source. Preferably one that can provide 1 amp to each port, but at least 1/2 amp.
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