my i5s can not be found by my itunes.

my itunes won't recognize my iphone 5s, i have the latest version of itunes 11.1.5, i even try uninstall my itunes but the result after installing it is still the same. i even try going to

• my computer and manage devices.
• portable devices
• apple iphone (update driver softweare)
• by clicking the "browse my computer for driver softweare (manualy)
• it says it is still up to date "MTP USB device"

after that i went to universalserial bus controlle but still my phone cant be found.

note: i even buy a new USB connection for my phone.the only thing that open when i connect my phone is my documents were it shows my iphone memmory.

anyone can help me? please.

thank you.