Samsung Galaxy Phone is not recognized on Android Studio

Question

My Samsung phone was not recognized by Android Studio on windows 7. I repaired it by installing the Samung Driver here: http://developer.samsung.com/technical-doc/view.do?v=T00

Answer 1

Galaxy J7(2016) same problem solved when i go to software update section on phone. asked me to allow debug mode from this computer . Checked always trust this computer. and OK Note : Usb mode PTP