trust this computer

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trust this computer

since two days I have problems with all my devices to sync via cable at the iMac. On every device I get the message "Trust this computer" but the device will not be connected. The shakehand fails.

I'm using Yosemite 10.10 and iTunes 12.0.1.26 on iMac

Does anyone has the same problem? If I connect a device to the iMac, iTunes starts not as I set it up to do so.

I have also rebootet the iMac without solving that issue.

Anyone with the same problem?

regards

Gerold

iMac, OS X Yosemite (10.10)

Posted on Oct 29, 2014 11:59 AM

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Answer 1

Oct 29, 2014 12:01 PM in response to geroldka

You did press Yes or Trust on the device, right?
Cheers,

Adam

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Answer 2

geroldka Author

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Oct 29, 2014 12:05 PM in response to applefreak111

yes, for sure, was it the wrong answer?

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Answer 3

Oct 29, 2014 12:12 PM in response to geroldka

No, thats what you are supposed to press if you want to connect. I'll have to do some research on it. I'll try to get back to you.

Cheers,

Adam

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Answer 4

geroldka Author

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Oct 31, 2014 1:29 AM in response to applefreak111

Hi Adam, any update?

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Answer 5

Oct 31, 2014 6:20 AM in response to geroldka

What kind of computrer are you using and what OS does it have (Ex. MacBook with OS X 10.10 Yosemite)

Cheers,

Adam

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Answer 6

geroldka Author

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Oct 31, 2014 7:00 AM in response to geroldka

Hi Adam, as I wrote in my initial post; an iMac but here are all details

and

regards

Gerold

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Answer 7

Malignance

Level 5

4,511 points

Oct 31, 2014 9:29 AM in response to geroldka

Try this > iTunes: How to reset the Lockdown folder

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Answer 8

geroldka Author

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Oct 31, 2014 10:16 AM in response to Malignance

unfortunately it does´t solve the issue.

I deleted all files in the lockdown folder (without need the administrative password) but when I after deleting connected one of my devices, iTunes does´t start (as it should) and I don´t see the device in iTunes (when it is for sure connected).

Any other idea?

Thank for helping.

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Answer 9

geroldka Author

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Nov 2, 2014 5:20 AM in response to geroldka

Hello world,

it looks like that I solved the issue. Beside those issues my iMac went also slower that I thought he have to. After searching for a while I found one post who told me to kill the cloudd process because this makes the iMac slow (after update to Yosemite). But the process just took 1,2% of CPU load; so this could´t be the issue.

After a while I found a post (from apple) who said, a SMC and PRAM reset could do magic after a update.

So it was!

After PRAM Reset, the computer runs that fast as I thought he must; second just one more "trust this computer" and my devices will show up again in iTunes (but still not automaticly when I connect the device). So maybe this could help also other users with the same problem.

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