Iphone has gone to a screen to plug in itunes, but itunes does not recognise it

Question

I updated the software on my iphone4 and after updating the iphone has gone to a screen to plug in itunes, but itunes does not recognise it. i have reloaded itunes, done a hard reset and still nothing. any ideas?

Answer 1

Gotcha,
If you have an iCloud account you might want to consider syncing that way so you won't have to use cables but that is certainly up to you.
Try:
1.) Backup all your data:
Backup your iOS device: http://support.apple.com/kb/HT1414
Backup your computer Addressbook: http://docs.info.apple.com/article.html?path=AddressBook/4.0/en/ad961.html
Backup iCal:  Click on each calendar on the left hand side of iCal one at a time highlighting it's name and then going to File Export > Export and saving the resulting calendar file to a logical location for safekeeping.
2.) Reset the computer's sync services and then restart the computer: http://support.apple.com/kb/TS1627
3.) Plug in the iOS device and attempt a sync.
--- Check the Info tab in iTunes to make sure calendars are still set to sync.
If that does not resolve the issue let me know and I'll give you a different route.