iPad recognized iPhoto but not iTunes for Mac OS X

When I plug my iPad into my Mac, iPhoto launches and asks if I want to sync. But it isn't recognized as a device in iTunes.To fix it, you need to remove and reinstall the Apple Mobile Device Service on Mac OS X.* Disconnect your iPad* Open the Finder to locate iTunes in the Applications folder, then drag it to the Trash. Also delect the iTunes icon.* Choose Go > Go to Folder > /System/Library/