In Android Studio My Phone In Device Chooser Not Showing

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

Solution 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.

Solution 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

Solution 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.