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I upgraded my 2009 model iMac to Lion yesterday. I can no longer connect my iPhone in order to synchronize with iTunes. Additionally, if I connect it to the USB port on my wired keyboard, it is also no longer charging the phone. The only way I can charge the phone now is if I use one of the USB ports at the back. Prior to the upgrade I had absolutely no issues using the keyboard USB port for this.

Can anyone offer any hints/tips to assist with troubleshooting this?

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I've just tried with my wires iPhone, and I'm seeing the same behaviour. –  Cleggy Jul 22 '11 at 4:41
    
That should read "wifes iPhone". I'm currently investigating a lead where iTunesHelper is not running on the iMac. –  Cleggy Jul 22 '11 at 4:55
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1 Answer

up vote 1 down vote accepted

I manually downloaded and re-installed iTunes 10.4 from the Apple website, and this has appeared to have fixed the problem. iTunes is recognizing my iPhone, and I can once again use the USB port on my iMac's keyboard.

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Thanks, had the same issue with my Mac Pro –  Brian Aug 4 '11 at 16:46
    
Having the same issue with Macbook and iPhone 4s/iPod Touch 3rd gen. I will try the full re-install of iTunes when I get home, but I may just do a full reinstall of lion due to issues with Xcode and other programs. Thanks for posting question and answer! –  TahoeWolverine Apr 2 '12 at 16:58
    
No worries. I hope it all goes well for you! –  Cleggy Apr 2 '12 at 20:22
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