I have done all that was suggested to get my Iphone 4 to appear in Itunes. It works on my older computer that I updated to 10.7 but not on my current one. It appears on My computer but not Itunes.

upgraded my Iphone4 to the new OS6. Can't get the phone to appear in Itunes. It shows up on the computer as a Iphone storage device. Ihave reinstalled Itunes several times. I have turned the phone off and on, Does anyone else have this problem? My old computer which now has 10.7 seems OK but not my newer one. Of course only half of my music is on the old one. I even restored my phone yesterday still no show on Itunes.