Android device is not connected to the computer's workaround

First check whether the phone USB debugging is turned on, has been turned on or not even follow the following steps:

1. Open cmd, enter ADB devices to see if the device is connected

2. Service not started, kill first service: ADB kill-server

3. Start adb service, ADB start-server

4. If the startup fails, it may be that a process consumes ADB's 5037 port, looking for a connection that occupies port number 5037 Netstat-ano | Findstr "5037"

Example TCP 127.0.0.1:58440 127.0.0.1:5037 established 2376 process ID2376 occupies the port number,

5. Use the following command to view the process name Tasklist | Findstr "2376"--find process with process ID 2376

6. Start Task Manager to manually end this process and restart ADB service adb start-server

Android device is not connected to the computer's workaround