
The way that Android detects emulators is by scanning ports starting at port 5555. If it doesn't work, go to emulated device and enable developer options > enable usb debugging Solution 3 That's it! It will take a while and it should resolve your problem. In eclipse, go to Window>Android Virtual Device Manager, click on the AVD you want to launch, click on start and uncheck " Launch From Snapshot" and then click on launch.If you find one, right click on it and click on end process tree. Go to task manager and find adb in processes.In such a case, you can do all of the following in order to be assured that your emulator starts working again :
