in android studio my phone in device chooser not showing

Question

The device chooser is not showing my plugged phone , I tried Samsung note3 and note 4 , both of them are not showing in android studio. it was showing before , then i dont know why sudently not working . I tried this SO question but didnt work. I have sdk 24.3.4 should I update to 24.4 ?

in first phone(note 3) yes usb debugging is authorized, it was working normal before , in note4 no I didnt activate debug mode

Answer 1

make sure the usb driver for the phone is installed correctly,you can check in device manager.

Here is a link to the Samsung technical spec for the USB driver.