Android Lollipop device not recognised by Android Studio -

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i want run app android studio on physical device running lollipop (5.0.2), neither choose device dialog nor adb manager can recognise it. in fact, place on pc can see in device manager (it not show drive).

i have tried usual solutions updating driver , such, nothing helps.

what wrong?

the answer, me, change usb-port to usb 2 port.

it not work on usb 3 ports.


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