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.

Answer 2

I tried to install sw usb driver on my computer with win7, it helped. according this https://developer.android.com/studio/run/oem-usb.html

Answer 3

Check the link from offical site http://developer.android.com/tools/extras/oem-usb.html

Nearly supports all the devices that i have tested.