Changing the computer with which an iphone syncs

[dphall]

Hi there,

My girlfriend bought an iphone a month or so ago and set it up using itunes on my macbook. She's got a fairly old windows laptop and has never bothered to try and sync it with that until now. She tried today, and her itunes won't recognise the iphone, which I presume is because it is synched with my itunes library and you can ?only sync to one computer.

My question is whether it's possible to enable it to synch with her itunes on her laptop (and disable it synching with my library) without her losing all her contacts, apps, etc? The chaps at the O2 shop said it was impossible, but surely that can't be the case (otherwise what happens when you buy a new computer?).

Many thanks for any help with this!

Cheers, Dave

 

[pisces03x]

The phone is not formatted for one or the other. Its a separate computer.

If your computer does not recognize it, and the phone is working, then the problem lies in your computer.

Uninstall all apple software from your computer.
Itunes, (you won't lose your backups and data)
Apple Mobile Device Driver,
Mobile Me
Bonjour.

Reboot.
Download and reinstall the latest version of itunes.
(I recommend not starting Bonjour unless you need it, but thats just me).

Then plug the phone in again.

Note:
Someone claimed the other day that 64bit XP Platforms are not properly supported by iTunes. I don't know if that is true or not.