My iPhone 4s won't connect to iTunes

When I plug my phone into a USB port on my laptop, iTunes won't connect to it like it usually does. My phone shows up in my computer so I know that my computer is connecting to my phone. I've tried restarting my phone, restarting my computer, updating iTunes, and uninstall and re installing iTunes and still nothing… Help me please

When you plug your phone then just click on iTunes and your iPhone should appear if it doesn't then contact apple. And get the iPhone 5 I have it and its amazing

Stick it up your but and take it out. It should work

Contact apple